Home / 156,232.40-215,601.24-84,612.20

Finding the Fourth Proportional to 156,232.40, 215,601.24 and 84,612.20

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Solution

The fourth proportional to 156,232.40, 215,601.24 and 84,612.20 is: 116,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,232.40 : 215,601.24 = 84,612.20 : x
  2. Step 2: Convert to fraction form
    156,232.40/215,601.24 = 84,612.20/x
  3. Step 3: Cross multiply
    156,232.40x = 215,601.24 × 84,612.20
  4. Step 4: Simplify right side
    156,232.40x = 18,242,495,239.13
  5. Step 5: Solve for x
    x = 18,242,495,239.13/156,232.40
  6. Step 6: Final answer
    x = 116,765.12

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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.