Home / 141,279.48-194,965.11-76,748.40

Finding the Fourth Proportional to 141,279.48, 194,965.11 and 76,748.40

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Solution

The fourth proportional to 141,279.48, 194,965.11 and 76,748.40 is: 105,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,279.48 : 194,965.11 = 76,748.40 : x
  2. Step 2: Convert to fraction form
    141,279.48/194,965.11 = 76,748.40/x
  3. Step 3: Cross multiply
    141,279.48x = 194,965.11 × 76,748.40
  4. Step 4: Simplify right side
    141,279.48x = 14,963,260,248.32
  5. Step 5: Solve for x
    x = 14,963,260,248.32/141,279.48
  6. Step 6: Final answer
    x = 105,912.48

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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.