Home / 141,393.06-195,122.52-77,731.92

Finding the Fourth Proportional to 141,393.06, 195,122.52 and 77,731.92

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Solution

The fourth proportional to 141,393.06, 195,122.52 and 77,731.92 is: 107,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393.06 : 195,122.52 = 77,731.92 : x
  2. Step 2: Convert to fraction form
    141,393.06/195,122.52 = 77,731.92/x
  3. Step 3: Cross multiply
    141,393.06x = 195,122.52 × 77,731.92
  4. Step 4: Simplify right side
    141,393.06x = 15,167,248,114.84
  5. Step 5: Solve for x
    x = 15,167,248,114.84/141,393.06
  6. Step 6: Final answer
    x = 107,270.10

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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.