Home / 141,821.17-195,710.70-77,291.00

Finding the Fourth Proportional to 141,821.17, 195,710.70 and 77,291.00

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Solution

The fourth proportional to 141,821.17, 195,710.70 and 77,291.00 is: 106,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.17 : 195,710.70 = 77,291.00 : x
  2. Step 2: Convert to fraction form
    141,821.17/195,710.70 = 77,291.00/x
  3. Step 3: Cross multiply
    141,821.17x = 195,710.70 × 77,291.00
  4. Step 4: Simplify right side
    141,821.17x = 15,126,676,202.98
  5. Step 5: Solve for x
    x = 15,126,676,202.98/141,821.17
  6. Step 6: Final answer
    x = 106,660.21

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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.