Home / 140,772.19-194,265.72-77,110.24

Finding the Fourth Proportional to 140,772.19, 194,265.72 and 77,110.24

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Solution

The fourth proportional to 140,772.19, 194,265.72 and 77,110.24 is: 106,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,772.19 : 194,265.72 = 77,110.24 : x
  2. Step 2: Convert to fraction form
    140,772.19/194,265.72 = 77,110.24/x
  3. Step 3: Cross multiply
    140,772.19x = 194,265.72 × 77,110.24
  4. Step 4: Simplify right side
    140,772.19x = 14,979,876,292.97
  5. Step 5: Solve for x
    x = 14,979,876,292.97/140,772.19
  6. Step 6: Final answer
    x = 106,412.18

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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.