Home / 141,501.20-195,274.70-77,839.00

Finding the Fourth Proportional to 141,501.20, 195,274.70 and 77,839.00

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Solution

The fourth proportional to 141,501.20, 195,274.70 and 77,839.00 is: 107,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,501.20 : 195,274.70 = 77,839.00 : x
  2. Step 2: Convert to fraction form
    141,501.20/195,274.70 = 77,839.00/x
  3. Step 3: Cross multiply
    141,501.20x = 195,274.70 × 77,839.00
  4. Step 4: Simplify right side
    141,501.20x = 15,199,987,337.02
  5. Step 5: Solve for x
    x = 15,199,987,337.02/141,501.20
  6. Step 6: Final answer
    x = 107,419.49

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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.