Home / 132,009.13-197,948.19-42,040.12

Finding the Fourth Proportional to 132,009.13, 197,948.19 and 42,040.12

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Solution

The fourth proportional to 132,009.13, 197,948.19 and 42,040.12 is: 63,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,009.13 : 197,948.19 = 42,040.12 : x
  2. Step 2: Convert to fraction form
    132,009.13/197,948.19 = 42,040.12/x
  3. Step 3: Cross multiply
    132,009.13x = 197,948.19 × 42,040.12
  4. Step 4: Simplify right side
    132,009.13x = 8,321,765,661.38
  5. Step 5: Solve for x
    x = 8,321,765,661.38/132,009.13
  6. Step 6: Final answer
    x = 63,039.32

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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.