Home / 102,126.64-153,191.10-31,060.86

Finding the Fourth Proportional to 102,126.64, 153,191.10 and 31,060.86

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Solution

The fourth proportional to 102,126.64, 153,191.10 and 31,060.86 is: 46,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,126.64 : 153,191.10 = 31,060.86 : x
  2. Step 2: Convert to fraction form
    102,126.64/153,191.10 = 31,060.86/x
  3. Step 3: Cross multiply
    102,126.64x = 153,191.10 × 31,060.86
  4. Step 4: Simplify right side
    102,126.64x = 4,758,247,310.35
  5. Step 5: Solve for x
    x = 4,758,247,310.35/102,126.64
  6. Step 6: Final answer
    x = 46,591.64

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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.