Home / 141,503.52-195,271.68-77,839.92

Finding the Fourth Proportional to 141,503.52, 195,271.68 and 77,839.92

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Solution

The fourth proportional to 141,503.52, 195,271.68 and 77,839.92 is: 107,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,503.52 : 195,271.68 = 77,839.92 : x
  2. Step 2: Convert to fraction form
    141,503.52/195,271.68 = 77,839.92/x
  3. Step 3: Cross multiply
    141,503.52x = 195,271.68 × 77,839.92
  4. Step 4: Simplify right side
    141,503.52x = 15,199,931,949.47
  5. Step 5: Solve for x
    x = 15,199,931,949.47/141,503.52
  6. Step 6: Final answer
    x = 107,417.34

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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.