Home / 102,644.92-141,641.91-57,319.36

Finding the Fourth Proportional to 102,644.92, 141,641.91 and 57,319.36

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Solution

The fourth proportional to 102,644.92, 141,641.91 and 57,319.36 is: 79,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,644.92 : 141,641.91 = 57,319.36 : x
  2. Step 2: Convert to fraction form
    102,644.92/141,641.91 = 57,319.36/x
  3. Step 3: Cross multiply
    102,644.92x = 141,641.91 × 57,319.36
  4. Step 4: Simplify right side
    102,644.92x = 8,118,823,630.38
  5. Step 5: Solve for x
    x = 8,118,823,630.38/102,644.92
  6. Step 6: Final answer
    x = 79,096.20

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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.