Home / 122,864.46-169,559.91-75,110.10

Finding the Fourth Proportional to 122,864.46, 169,559.91 and 75,110.10

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Solution

The fourth proportional to 122,864.46, 169,559.91 and 75,110.10 is: 103,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864.46 : 169,559.91 = 75,110.10 : x
  2. Step 2: Convert to fraction form
    122,864.46/169,559.91 = 75,110.10/x
  3. Step 3: Cross multiply
    122,864.46x = 169,559.91 × 75,110.10
  4. Step 4: Simplify right side
    122,864.46x = 12,735,661,796.09
  5. Step 5: Solve for x
    x = 12,735,661,796.09/122,864.46
  6. Step 6: Final answer
    x = 103,656.19

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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.