Home / 156,273.02-215,643.92-88,295.90

Finding the Fourth Proportional to 156,273.02, 215,643.92 and 88,295.90

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Solution

The fourth proportional to 156,273.02, 215,643.92 and 88,295.90 is: 121,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,273.02 : 215,643.92 = 88,295.90 : x
  2. Step 2: Convert to fraction form
    156,273.02/215,643.92 = 88,295.90/x
  3. Step 3: Cross multiply
    156,273.02x = 215,643.92 × 88,295.90
  4. Step 4: Simplify right side
    156,273.02x = 19,040,473,995.93
  5. Step 5: Solve for x
    x = 19,040,473,995.93/156,273.02
  6. Step 6: Final answer
    x = 121,841.08

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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.