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Finding the Fourth Proportional to 169,000.74, 253,493.42 and 56,672.32

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Solution

The fourth proportional to 169,000.74, 253,493.42 and 56,672.32 is: 85,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,000.74 : 253,493.42 = 56,672.32 : x
  2. Step 2: Convert to fraction form
    169,000.74/253,493.42 = 56,672.32/x
  3. Step 3: Cross multiply
    169,000.74x = 253,493.42 × 56,672.32
  4. Step 4: Simplify right side
    169,000.74x = 14,366,060,462.16
  5. Step 5: Solve for x
    x = 14,366,060,462.16/169,000.74
  6. Step 6: Final answer
    x = 85,005.90

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1.5x scale

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.