Home / 141,972.62-195,925.91-77,442.95

Finding the Fourth Proportional to 141,972.62, 195,925.91 and 77,442.95

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Solution

The fourth proportional to 141,972.62, 195,925.91 and 77,442.95 is: 106,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.62 : 195,925.91 = 77,442.95 : x
  2. Step 2: Convert to fraction form
    141,972.62/195,925.91 = 77,442.95/x
  3. Step 3: Cross multiply
    141,972.62x = 195,925.91 × 77,442.95
  4. Step 4: Simplify right side
    141,972.62x = 15,173,079,556.92
  5. Step 5: Solve for x
    x = 15,173,079,556.92/141,972.62
  6. Step 6: Final answer
    x = 106,873.28

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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.