Home / 160,000.20-220,798.89-88,385.22

Finding the Fourth Proportional to 160,000.20, 220,798.89 and 88,385.22

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Solution

The fourth proportional to 160,000.20, 220,798.89 and 88,385.22 is: 121,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,000.20 : 220,798.89 = 88,385.22 : x
  2. Step 2: Convert to fraction form
    160,000.20/220,798.89 = 88,385.22/x
  3. Step 3: Cross multiply
    160,000.20x = 220,798.89 × 88,385.22
  4. Step 4: Simplify right side
    160,000.20x = 19,515,358,468.41
  5. Step 5: Solve for x
    x = 19,515,358,468.41/160,000.20
  6. Step 6: Final answer
    x = 121,970.84

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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.