Home / 132,129.89-198,225.12-57,262.60

Finding the Fourth Proportional to 132,129.89, 198,225.12 and 57,262.60

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Solution

The fourth proportional to 132,129.89, 198,225.12 and 57,262.60 is: 85,907.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129.89 : 198,225.12 = 57,262.60 : x
  2. Step 2: Convert to fraction form
    132,129.89/198,225.12 = 57,262.60/x
  3. Step 3: Cross multiply
    132,129.89x = 198,225.12 × 57,262.60
  4. Step 4: Simplify right side
    132,129.89x = 11,350,885,756.51
  5. Step 5: Solve for x
    x = 11,350,885,756.51/132,129.89
  6. Step 6: Final answer
    x = 85,907.02

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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.