Home / 161,702.13-223,155.87-90,082.20

Finding the Fourth Proportional to 161,702.13, 223,155.87 and 90,082.20

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Solution

The fourth proportional to 161,702.13, 223,155.87 and 90,082.20 is: 124,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.13 : 223,155.87 = 90,082.20 : x
  2. Step 2: Convert to fraction form
    161,702.13/223,155.87 = 90,082.20/x
  3. Step 3: Cross multiply
    161,702.13x = 223,155.87 × 90,082.20
  4. Step 4: Simplify right side
    161,702.13x = 20,102,371,712.51
  5. Step 5: Solve for x
    x = 20,102,371,712.51/161,702.13
  6. Step 6: Final answer
    x = 124,317.30

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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.