Home / 143,940.24-198,534.68-124,785.77

Finding the Fourth Proportional to 143,940.24, 198,534.68 and 124,785.77

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Solution

The fourth proportional to 143,940.24, 198,534.68 and 124,785.77 is: 172,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940.24 : 198,534.68 = 124,785.77 : x
  2. Step 2: Convert to fraction form
    143,940.24/198,534.68 = 124,785.77/x
  3. Step 3: Cross multiply
    143,940.24x = 198,534.68 × 124,785.77
  4. Step 4: Simplify right side
    143,940.24x = 24,774,302,915.50
  5. Step 5: Solve for x
    x = 24,774,302,915.50/143,940.24
  6. Step 6: Final answer
    x = 172,115.20

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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.