Home / 161,702.76-223,155.51-90,087.15

Finding the Fourth Proportional to 161,702.76, 223,155.51 and 90,087.15

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Solution

The fourth proportional to 161,702.76, 223,155.51 and 90,087.15 is: 124,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.76 : 223,155.51 = 90,087.15 : x
  2. Step 2: Convert to fraction form
    161,702.76/223,155.51 = 90,087.15/x
  3. Step 3: Cross multiply
    161,702.76x = 223,155.51 × 90,087.15
  4. Step 4: Simplify right side
    161,702.76x = 20,103,443,902.70
  5. Step 5: Solve for x
    x = 20,103,443,902.70/161,702.76
  6. Step 6: Final answer
    x = 124,323.44

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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.