Home / 122,862.40-169,555.57-69,150.90

Finding the Fourth Proportional to 122,862.40, 169,555.57 and 69,150.90

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Solution

The fourth proportional to 122,862.40, 169,555.57 and 69,150.90 is: 95,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,862.40 : 169,555.57 = 69,150.90 : x
  2. Step 2: Convert to fraction form
    122,862.40/169,555.57 = 69,150.90/x
  3. Step 3: Cross multiply
    122,862.40x = 169,555.57 × 69,150.90
  4. Step 4: Simplify right side
    122,862.40x = 11,724,920,265.51
  5. Step 5: Solve for x
    x = 11,724,920,265.51/122,862.40
  6. Step 6: Final answer
    x = 95,431.31

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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.