Home / 122,624.10-169,210.80-68,904.90

Finding the Fourth Proportional to 122,624.10, 169,210.80 and 68,904.90

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Solution

The fourth proportional to 122,624.10, 169,210.80 and 68,904.90 is: 95,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,624.10 : 169,210.80 = 68,904.90 : x
  2. Step 2: Convert to fraction form
    122,624.10/169,210.80 = 68,904.90/x
  3. Step 3: Cross multiply
    122,624.10x = 169,210.80 × 68,904.90
  4. Step 4: Simplify right side
    122,624.10x = 11,659,453,252.92
  5. Step 5: Solve for x
    x = 11,659,453,252.92/122,624.10
  6. Step 6: Final answer
    x = 95,082.89

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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.