Home / 141,671.55-195,506.53-78,008.79

Finding the Fourth Proportional to 141,671.55, 195,506.53 and 78,008.79

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Solution

The fourth proportional to 141,671.55, 195,506.53 and 78,008.79 is: 107,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,671.55 : 195,506.53 = 78,008.79 : x
  2. Step 2: Convert to fraction form
    141,671.55/195,506.53 = 78,008.79/x
  3. Step 3: Cross multiply
    141,671.55x = 195,506.53 × 78,008.79
  4. Step 4: Simplify right side
    141,671.55x = 15,251,227,842.40
  5. Step 5: Solve for x
    x = 15,251,227,842.40/141,671.55
  6. Step 6: Final answer
    x = 107,652.02

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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.