Home / 103,618.14-155,427.21-41,289.18

Finding the Fourth Proportional to 103,618.14, 155,427.21 and 41,289.18

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Solution

The fourth proportional to 103,618.14, 155,427.21 and 41,289.18 is: 61,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618.14 : 155,427.21 = 41,289.18 : x
  2. Step 2: Convert to fraction form
    103,618.14/155,427.21 = 41,289.18/x
  3. Step 3: Cross multiply
    103,618.14x = 155,427.21 × 41,289.18
  4. Step 4: Simplify right side
    103,618.14x = 6,417,462,050.59
  5. Step 5: Solve for x
    x = 6,417,462,050.59/103,618.14
  6. Step 6: Final answer
    x = 61,933.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.