Home / 134,869.39-186,106.50-74,436.14

Finding the Fourth Proportional to 134,869.39, 186,106.50 and 74,436.14

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Solution

The fourth proportional to 134,869.39, 186,106.50 and 74,436.14 is: 102,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,869.39 : 186,106.50 = 74,436.14 : x
  2. Step 2: Convert to fraction form
    134,869.39/186,106.50 = 74,436.14/x
  3. Step 3: Cross multiply
    134,869.39x = 186,106.50 × 74,436.14
  4. Step 4: Simplify right side
    134,869.39x = 13,853,048,186.20
  5. Step 5: Solve for x
    x = 13,853,048,186.20/134,869.39
  6. Step 6: Final answer
    x = 102,714.55

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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.