Home / 132,947.42-199,254.78-66,406.12

Finding the Fourth Proportional to 132,947.42, 199,254.78 and 66,406.12

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Solution

The fourth proportional to 132,947.42, 199,254.78 and 66,406.12 is: 99,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947.42 : 199,254.78 = 66,406.12 : x
  2. Step 2: Convert to fraction form
    132,947.42/199,254.78 = 66,406.12/x
  3. Step 3: Cross multiply
    132,947.42x = 199,254.78 × 66,406.12
  4. Step 4: Simplify right side
    132,947.42x = 13,231,736,831.25
  5. Step 5: Solve for x
    x = 13,231,736,831.25/132,947.42
  6. Step 6: Final answer
    x = 99,526.09

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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.