Home / 156,446.76-215,883.18-88,460.40

Finding the Fourth Proportional to 156,446.76, 215,883.18 and 88,460.40

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Solution

The fourth proportional to 156,446.76, 215,883.18 and 88,460.40 is: 122,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,446.76 : 215,883.18 = 88,460.40 : x
  2. Step 2: Convert to fraction form
    156,446.76/215,883.18 = 88,460.40/x
  3. Step 3: Cross multiply
    156,446.76x = 215,883.18 × 88,460.40
  4. Step 4: Simplify right side
    156,446.76x = 19,097,112,456.07
  5. Step 5: Solve for x
    x = 19,097,112,456.07/156,446.76
  6. Step 6: Final answer
    x = 122,067.80

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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.