Home / 122,870.03-169,542.20-69,151.85

Finding the Fourth Proportional to 122,870.03, 169,542.20 and 69,151.85

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Solution

The fourth proportional to 122,870.03, 169,542.20 and 69,151.85 is: 95,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,870.03 : 169,542.20 = 69,151.85 : x
  2. Step 2: Convert to fraction form
    122,870.03/169,542.20 = 69,151.85/x
  3. Step 3: Cross multiply
    122,870.03x = 169,542.20 × 69,151.85
  4. Step 4: Simplify right side
    122,870.03x = 11,724,155,589.60
  5. Step 5: Solve for x
    x = 11,724,155,589.60/122,870.03
  6. Step 6: Final answer
    x = 95,419.17

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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.