Home / 128,705.93-193,084.61-44,469.17

Finding the Fourth Proportional to 128,705.93, 193,084.61 and 44,469.17

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Solution

The fourth proportional to 128,705.93, 193,084.61 and 44,469.17 is: 66,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,705.93 : 193,084.61 = 44,469.17 : x
  2. Step 2: Convert to fraction form
    128,705.93/193,084.61 = 44,469.17/x
  3. Step 3: Cross multiply
    128,705.93x = 193,084.61 × 44,469.17
  4. Step 4: Simplify right side
    128,705.93x = 8,586,312,346.47
  5. Step 5: Solve for x
    x = 8,586,312,346.47/128,705.93
  6. Step 6: Final answer
    x = 66,712.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.