Home / 123,929.38-185,894.07-30,435.13

Finding the Fourth Proportional to 123,929.38, 185,894.07 and 30,435.13

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Solution

The fourth proportional to 123,929.38, 185,894.07 and 30,435.13 is: 45,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,929.38 : 185,894.07 = 30,435.13 : x
  2. Step 2: Convert to fraction form
    123,929.38/185,894.07 = 30,435.13/x
  3. Step 3: Cross multiply
    123,929.38x = 185,894.07 × 30,435.13
  4. Step 4: Simplify right side
    123,929.38x = 5,657,710,186.68
  5. Step 5: Solve for x
    x = 5,657,710,186.68/123,929.38
  6. Step 6: Final answer
    x = 45,652.70

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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.