Home / 134,948.76-186,229.29-74,519.52

Finding the Fourth Proportional to 134,948.76, 186,229.29 and 74,519.52

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Solution

The fourth proportional to 134,948.76, 186,229.29 and 74,519.52 is: 102,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,948.76 : 186,229.29 = 74,519.52 : x
  2. Step 2: Convert to fraction form
    134,948.76/186,229.29 = 74,519.52/x
  3. Step 3: Cross multiply
    134,948.76x = 186,229.29 × 74,519.52
  4. Step 4: Simplify right side
    134,948.76x = 13,877,717,300.74
  5. Step 5: Solve for x
    x = 13,877,717,300.74/134,948.76
  6. Step 6: Final answer
    x = 102,836.94

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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.