Home / 100,476.16-138,671.52-60,191.62

Finding the Fourth Proportional to 100,476.16, 138,671.52 and 60,191.62

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Solution

The fourth proportional to 100,476.16, 138,671.52 and 60,191.62 is: 83,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,476.16 : 138,671.52 = 60,191.62 : x
  2. Step 2: Convert to fraction form
    100,476.16/138,671.52 = 60,191.62/x
  3. Step 3: Cross multiply
    100,476.16x = 138,671.52 × 60,191.62
  4. Step 4: Simplify right side
    100,476.16x = 8,346,863,436.66
  5. Step 5: Solve for x
    x = 8,346,863,436.66/100,476.16
  6. Step 6: Final answer
    x = 83,073.07

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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.