Home / 103,928.24-143,386.98-63,599.96

Finding the Fourth Proportional to 103,928.24, 143,386.98 and 63,599.96

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Solution

The fourth proportional to 103,928.24, 143,386.98 and 63,599.96 is: 87,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,928.24 : 143,386.98 = 63,599.96 : x
  2. Step 2: Convert to fraction form
    103,928.24/143,386.98 = 63,599.96/x
  3. Step 3: Cross multiply
    103,928.24x = 143,386.98 × 63,599.96
  4. Step 4: Simplify right side
    103,928.24x = 9,119,406,192.52
  5. Step 5: Solve for x
    x = 9,119,406,192.52/103,928.24
  6. Step 6: Final answer
    x = 87,747.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.