Home / 104,705.17-144,546.65-80,778.13

Finding the Fourth Proportional to 104,705.17, 144,546.65 and 80,778.13

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Solution

The fourth proportional to 104,705.17, 144,546.65 and 80,778.13 is: 111,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,705.17 : 144,546.65 = 80,778.13 : x
  2. Step 2: Convert to fraction form
    104,705.17/144,546.65 = 80,778.13/x
  3. Step 3: Cross multiply
    104,705.17x = 144,546.65 × 80,778.13
  4. Step 4: Simplify right side
    104,705.17x = 11,676,208,084.76
  5. Step 5: Solve for x
    x = 11,676,208,084.76/104,705.17
  6. Step 6: Final answer
    x = 111,515.11

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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.