Home / 132,920.02-199,390.84-39,425.50

Finding the Fourth Proportional to 132,920.02, 199,390.84 and 39,425.50

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Solution

The fourth proportional to 132,920.02, 199,390.84 and 39,425.50 is: 59,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.02 : 199,390.84 = 39,425.50 : x
  2. Step 2: Convert to fraction form
    132,920.02/199,390.84 = 39,425.50/x
  3. Step 3: Cross multiply
    132,920.02x = 199,390.84 × 39,425.50
  4. Step 4: Simplify right side
    132,920.02x = 7,861,083,562.42
  5. Step 5: Solve for x
    x = 7,861,083,562.42/132,920.02
  6. Step 6: Final answer
    x = 59,141.46

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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.