Home / 141,370.17-195,080.87-77,712.09

Finding the Fourth Proportional to 141,370.17, 195,080.87 and 77,712.09

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Solution

The fourth proportional to 141,370.17, 195,080.87 and 77,712.09 is: 107,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,370.17 : 195,080.87 = 77,712.09 : x
  2. Step 2: Convert to fraction form
    141,370.17/195,080.87 = 77,712.09/x
  3. Step 3: Cross multiply
    141,370.17x = 195,080.87 × 77,712.09
  4. Step 4: Simplify right side
    141,370.17x = 15,160,141,345.59
  5. Step 5: Solve for x
    x = 15,160,141,345.59/141,370.17
  6. Step 6: Final answer
    x = 107,237.20

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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.