Home / 142,387.24-213,913.07-83,264.53

Finding the Fourth Proportional to 142,387.24, 213,913.07 and 83,264.53

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Solution

The fourth proportional to 142,387.24, 213,913.07 and 83,264.53 is: 125,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,387.24 : 213,913.07 = 83,264.53 : x
  2. Step 2: Convert to fraction form
    142,387.24/213,913.07 = 83,264.53/x
  3. Step 3: Cross multiply
    142,387.24x = 213,913.07 × 83,264.53
  4. Step 4: Simplify right side
    142,387.24x = 17,811,371,234.41
  5. Step 5: Solve for x
    x = 17,811,371,234.41/142,387.24
  6. Step 6: Final answer
    x = 125,091.06

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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.