Home / 141,737.19-195,597.85-78,074.83

Finding the Fourth Proportional to 141,737.19, 195,597.85 and 78,074.83

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Solution

The fourth proportional to 141,737.19, 195,597.85 and 78,074.83 is: 107,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737.19 : 195,597.85 = 78,074.83 : x
  2. Step 2: Convert to fraction form
    141,737.19/195,597.85 = 78,074.83/x
  3. Step 3: Cross multiply
    141,737.19x = 195,597.85 × 78,074.83
  4. Step 4: Simplify right side
    141,737.19x = 15,271,268,496.74
  5. Step 5: Solve for x
    x = 15,271,268,496.74/141,737.19
  6. Step 6: Final answer
    x = 107,743.56

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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.