Home / 132,451.52-198,718.29-45,904.77

Finding the Fourth Proportional to 132,451.52, 198,718.29 and 45,904.77

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Solution

The fourth proportional to 132,451.52, 198,718.29 and 45,904.77 is: 68,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.52 : 198,718.29 = 45,904.77 : x
  2. Step 2: Convert to fraction form
    132,451.52/198,718.29 = 45,904.77/x
  3. Step 3: Cross multiply
    132,451.52x = 198,718.29 × 45,904.77
  4. Step 4: Simplify right side
    132,451.52x = 9,122,117,397.24
  5. Step 5: Solve for x
    x = 9,122,117,397.24/132,451.52
  6. Step 6: Final answer
    x = 68,871.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.