Home / 160,002.20-220,801.64-88,387.22

Finding the Fourth Proportional to 160,002.20, 220,801.64 and 88,387.22

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Solution

The fourth proportional to 160,002.20, 220,801.64 and 88,387.22 is: 121,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,002.20 : 220,801.64 = 88,387.22 : x
  2. Step 2: Convert to fraction form
    160,002.20/220,801.64 = 88,387.22/x
  3. Step 3: Cross multiply
    160,002.20x = 220,801.64 × 88,387.22
  4. Step 4: Simplify right side
    160,002.20x = 19,516,043,131.04
  5. Step 5: Solve for x
    x = 19,516,043,131.04/160,002.20
  6. Step 6: Final answer
    x = 121,973.59

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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.