Home / 156,273.12-215,670.24-88,302.60

Finding the Fourth Proportional to 156,273.12, 215,670.24 and 88,302.60

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Solution

The fourth proportional to 156,273.12, 215,670.24 and 88,302.60 is: 121,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,273.12 : 215,670.24 = 88,302.60 : x
  2. Step 2: Convert to fraction form
    156,273.12/215,670.24 = 88,302.60/x
  3. Step 3: Cross multiply
    156,273.12x = 215,670.24 × 88,302.60
  4. Step 4: Simplify right side
    156,273.12x = 19,044,242,934.62
  5. Step 5: Solve for x
    x = 19,044,242,934.62/156,273.12
  6. Step 6: Final answer
    x = 121,865.12

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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.