Home / 102,680.65-141,698.19-57,363.18

Finding the Fourth Proportional to 102,680.65, 141,698.19 and 57,363.18

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Solution

The fourth proportional to 102,680.65, 141,698.19 and 57,363.18 is: 79,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680.65 : 141,698.19 = 57,363.18 : x
  2. Step 2: Convert to fraction form
    102,680.65/141,698.19 = 57,363.18/x
  3. Step 3: Cross multiply
    102,680.65x = 141,698.19 × 57,363.18
  4. Step 4: Simplify right side
    102,680.65x = 8,128,258,778.64
  5. Step 5: Solve for x
    x = 8,128,258,778.64/102,680.65
  6. Step 6: Final answer
    x = 79,160.57

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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.