Home / 141,508.74-195,282.99-77,844.90

Finding the Fourth Proportional to 141,508.74, 195,282.99 and 77,844.90

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Solution

The fourth proportional to 141,508.74, 195,282.99 and 77,844.90 is: 107,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,508.74 : 195,282.99 = 77,844.90 : x
  2. Step 2: Convert to fraction form
    141,508.74/195,282.99 = 77,844.90/x
  3. Step 3: Cross multiply
    141,508.74x = 195,282.99 × 77,844.90
  4. Step 4: Simplify right side
    141,508.74x = 15,201,784,828.25
  5. Step 5: Solve for x
    x = 15,201,784,828.25/141,508.74
  6. Step 6: Final answer
    x = 107,426.47

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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.