Home / 156,132.16-215,461.62-88,148.45

Finding the Fourth Proportional to 156,132.16, 215,461.62 and 88,148.45

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Solution

The fourth proportional to 156,132.16, 215,461.62 and 88,148.45 is: 121,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,132.16 : 215,461.62 = 88,148.45 : x
  2. Step 2: Convert to fraction form
    156,132.16/215,461.62 = 88,148.45/x
  3. Step 3: Cross multiply
    156,132.16x = 215,461.62 × 88,148.45
  4. Step 4: Simplify right side
    156,132.16x = 18,992,608,376.14
  5. Step 5: Solve for x
    x = 18,992,608,376.14/156,132.16
  6. Step 6: Final answer
    x = 121,644.44

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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.