Home / 156,444.28-215,832.03-102,060.39

Finding the Fourth Proportional to 156,444.28, 215,832.03 and 102,060.39

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Solution

The fourth proportional to 156,444.28, 215,832.03 and 102,060.39 is: 140,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,444.28 : 215,832.03 = 102,060.39 : x
  2. Step 2: Convert to fraction form
    156,444.28/215,832.03 = 102,060.39/x
  3. Step 3: Cross multiply
    156,444.28x = 215,832.03 × 102,060.39
  4. Step 4: Simplify right side
    156,444.28x = 22,027,901,156.29
  5. Step 5: Solve for x
    x = 22,027,901,156.29/156,444.28
  6. Step 6: Final answer
    x = 140,803.49

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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.