Home / 141,712.08-195,560.24-78,055.84

Finding the Fourth Proportional to 141,712.08, 195,560.24 and 78,055.84

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Solution

The fourth proportional to 141,712.08, 195,560.24 and 78,055.84 is: 107,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,712.08 : 195,560.24 = 78,055.84 : x
  2. Step 2: Convert to fraction form
    141,712.08/195,560.24 = 78,055.84/x
  3. Step 3: Cross multiply
    141,712.08x = 195,560.24 × 78,055.84
  4. Step 4: Simplify right side
    141,712.08x = 15,264,618,803.80
  5. Step 5: Solve for x
    x = 15,264,618,803.80/141,712.08
  6. Step 6: Final answer
    x = 107,715.72

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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.