Home / 95,504.81-143,208-42,869.18

Finding the Fourth Proportional to 95,504.81, 143,208 and 42,869.18

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Solution

The fourth proportional to 95,504.81, 143,208 and 42,869.18 is: 64,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,504.81 : 143,208 = 42,869.18 : x
  2. Step 2: Convert to fraction form
    95,504.81/143,208 = 42,869.18/x
  3. Step 3: Cross multiply
    95,504.81x = 143,208 × 42,869.18
  4. Step 4: Simplify right side
    95,504.81x = 6,139,209,529.44
  5. Step 5: Solve for x
    x = 6,139,209,529.44/95,504.81
  6. Step 6: Final answer
    x = 64,281.68

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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.