Home / 141,740.08-195,584.88-81,294

Finding the Fourth Proportional to 141,740.08, 195,584.88 and 81,294

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Solution

The fourth proportional to 141,740.08, 195,584.88 and 81,294 is: 112,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,740.08 : 195,584.88 = 81,294 : x
  2. Step 2: Convert to fraction form
    141,740.08/195,584.88 = 81,294/x
  3. Step 3: Cross multiply
    141,740.08x = 195,584.88 × 81,294
  4. Step 4: Simplify right side
    141,740.08x = 15,899,877,234.72
  5. Step 5: Solve for x
    x = 15,899,877,234.72/141,740.08
  6. Step 6: Final answer
    x = 112,176.30

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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.