Home / 134,702.13-185,897.22-74,272.59

Finding the Fourth Proportional to 134,702.13, 185,897.22 and 74,272.59

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Solution

The fourth proportional to 134,702.13, 185,897.22 and 74,272.59 is: 102,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,702.13 : 185,897.22 = 74,272.59 : x
  2. Step 2: Convert to fraction form
    134,702.13/185,897.22 = 74,272.59/x
  3. Step 3: Cross multiply
    134,702.13x = 185,897.22 × 74,272.59
  4. Step 4: Simplify right side
    134,702.13x = 13,807,068,003.20
  5. Step 5: Solve for x
    x = 13,807,068,003.20/134,702.13
  6. Step 6: Final answer
    x = 102,500.74

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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.