Home / 141,346.47-195,049.89-77,684.32

Finding the Fourth Proportional to 141,346.47, 195,049.89 and 77,684.32

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Solution

The fourth proportional to 141,346.47, 195,049.89 and 77,684.32 is: 107,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,346.47 : 195,049.89 = 77,684.32 : x
  2. Step 2: Convert to fraction form
    141,346.47/195,049.89 = 77,684.32/x
  3. Step 3: Cross multiply
    141,346.47x = 195,049.89 × 77,684.32
  4. Step 4: Simplify right side
    141,346.47x = 15,152,318,070.72
  5. Step 5: Solve for x
    x = 15,152,318,070.72/141,346.47
  6. Step 6: Final answer
    x = 107,199.83

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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.