Home / 105,545.62-145,661.28-60,213.16

Finding the Fourth Proportional to 105,545.62, 145,661.28 and 60,213.16

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Solution

The fourth proportional to 105,545.62, 145,661.28 and 60,213.16 is: 83,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,545.62 : 145,661.28 = 60,213.16 : x
  2. Step 2: Convert to fraction form
    105,545.62/145,661.28 = 60,213.16/x
  3. Step 3: Cross multiply
    105,545.62x = 145,661.28 × 60,213.16
  4. Step 4: Simplify right side
    105,545.62x = 8,770,725,958.44
  5. Step 5: Solve for x
    x = 8,770,725,958.44/105,545.62
  6. Step 6: Final answer
    x = 83,098.91

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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.