Home / 156,104.02-215,423.50-84,484.04

Finding the Fourth Proportional to 156,104.02, 215,423.50 and 84,484.04

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Solution

The fourth proportional to 156,104.02, 215,423.50 and 84,484.04 is: 116,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,104.02 : 215,423.50 = 84,484.04 : x
  2. Step 2: Convert to fraction form
    156,104.02/215,423.50 = 84,484.04/x
  3. Step 3: Cross multiply
    156,104.02x = 215,423.50 × 84,484.04
  4. Step 4: Simplify right side
    156,104.02x = 18,199,847,590.94
  5. Step 5: Solve for x
    x = 18,199,847,590.94/156,104.02
  6. Step 6: Final answer
    x = 116,587.95

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1.5x scale

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.