Home / 142,832.92-197,106.24-79,170.16

Finding the Fourth Proportional to 142,832.92, 197,106.24 and 79,170.16

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Solution

The fourth proportional to 142,832.92, 197,106.24 and 79,170.16 is: 109,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,832.92 : 197,106.24 = 79,170.16 : x
  2. Step 2: Convert to fraction form
    142,832.92/197,106.24 = 79,170.16/x
  3. Step 3: Cross multiply
    142,832.92x = 197,106.24 × 79,170.16
  4. Step 4: Simplify right side
    142,832.92x = 15,604,932,557.80
  5. Step 5: Solve for x
    x = 15,604,932,557.80/142,832.92
  6. Step 6: Final answer
    x = 109,253.05

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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.