Home / 142,327.71-213,528.54-42,487.92

Finding the Fourth Proportional to 142,327.71, 213,528.54 and 42,487.92

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Solution

The fourth proportional to 142,327.71, 213,528.54 and 42,487.92 is: 63,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,327.71 : 213,528.54 = 42,487.92 : x
  2. Step 2: Convert to fraction form
    142,327.71/213,528.54 = 42,487.92/x
  3. Step 3: Cross multiply
    142,327.71x = 213,528.54 × 42,487.92
  4. Step 4: Simplify right side
    142,327.71x = 9,072,383,525.24
  5. Step 5: Solve for x
    x = 9,072,383,525.24/142,327.71
  6. Step 6: Final answer
    x = 63,742.92

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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.