Home / 156,493.04-215,988-92,865.92

Finding the Fourth Proportional to 156,493.04, 215,988 and 92,865.92

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Solution

The fourth proportional to 156,493.04, 215,988 and 92,865.92 is: 128,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,493.04 : 215,988 = 92,865.92 : x
  2. Step 2: Convert to fraction form
    156,493.04/215,988 = 92,865.92/x
  3. Step 3: Cross multiply
    156,493.04x = 215,988 × 92,865.92
  4. Step 4: Simplify right side
    156,493.04x = 20,057,924,328.96
  5. Step 5: Solve for x
    x = 20,057,924,328.96/156,493.04
  6. Step 6: Final answer
    x = 128,171.35

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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.