Home / 156,503.92-215,980.29-88,519.56

Finding the Fourth Proportional to 156,503.92, 215,980.29 and 88,519.56

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Solution

The fourth proportional to 156,503.92, 215,980.29 and 88,519.56 is: 122,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,503.92 : 215,980.29 = 88,519.56 : x
  2. Step 2: Convert to fraction form
    156,503.92/215,980.29 = 88,519.56/x
  3. Step 3: Cross multiply
    156,503.92x = 215,980.29 × 88,519.56
  4. Step 4: Simplify right side
    156,503.92x = 19,118,480,239.47
  5. Step 5: Solve for x
    x = 19,118,480,239.47/156,503.92
  6. Step 6: Final answer
    x = 122,159.75

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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.