Home / 156,433.80-215,877.36-88,464.14

Finding the Fourth Proportional to 156,433.80, 215,877.36 and 88,464.14

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Solution

The fourth proportional to 156,433.80, 215,877.36 and 88,464.14 is: 122,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,433.80 : 215,877.36 = 88,464.14 : x
  2. Step 2: Convert to fraction form
    156,433.80/215,877.36 = 88,464.14/x
  3. Step 3: Cross multiply
    156,433.80x = 215,877.36 × 88,464.14
  4. Step 4: Simplify right side
    156,433.80x = 19,097,403,918.48
  5. Step 5: Solve for x
    x = 19,097,403,918.48/156,433.80
  6. Step 6: Final answer
    x = 122,079.78

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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.