Home / 156,280.24-215,527.80-122,687.92

Finding the Fourth Proportional to 156,280.24, 215,527.80 and 122,687.92

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Solution

The fourth proportional to 156,280.24, 215,527.80 and 122,687.92 is: 169,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,280.24 : 215,527.80 = 122,687.92 : x
  2. Step 2: Convert to fraction form
    156,280.24/215,527.80 = 122,687.92/x
  3. Step 3: Cross multiply
    156,280.24x = 215,527.80 × 122,687.92
  4. Step 4: Simplify right side
    156,280.24x = 26,442,657,484.18
  5. Step 5: Solve for x
    x = 26,442,657,484.18/156,280.24
  6. Step 6: Final answer
    x = 169,200.26

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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.