Home / 134,711.49-185,897.79-74,282.13

Finding the Fourth Proportional to 134,711.49, 185,897.79 and 74,282.13

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Solution

The fourth proportional to 134,711.49, 185,897.79 and 74,282.13 is: 102,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,711.49 : 185,897.79 = 74,282.13 : x
  2. Step 2: Convert to fraction form
    134,711.49/185,897.79 = 74,282.13/x
  3. Step 3: Cross multiply
    134,711.49x = 185,897.79 × 74,282.13
  4. Step 4: Simplify right side
    134,711.49x = 13,808,883,803.49
  5. Step 5: Solve for x
    x = 13,808,883,803.49/134,711.49
  6. Step 6: Final answer
    x = 102,507.10

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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.