Home / 141,680.46-195,511.50-81,248.22

Finding the Fourth Proportional to 141,680.46, 195,511.50 and 81,248.22

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Solution

The fourth proportional to 141,680.46, 195,511.50 and 81,248.22 is: 112,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,680.46 : 195,511.50 = 81,248.22 : x
  2. Step 2: Convert to fraction form
    141,680.46/195,511.50 = 81,248.22/x
  3. Step 3: Cross multiply
    141,680.46x = 195,511.50 × 81,248.22
  4. Step 4: Simplify right side
    141,680.46x = 15,884,961,364.53
  5. Step 5: Solve for x
    x = 15,884,961,364.53/141,680.46
  6. Step 6: Final answer
    x = 112,118.22

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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.