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Finding the Fourth Proportional to 132,904.81, 198,510.02 and 120,235.12

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Solution

The fourth proportional to 132,904.81, 198,510.02 and 120,235.12 is: 179,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,904.81 : 198,510.02 = 120,235.12 : x
  2. Step 2: Convert to fraction form
    132,904.81/198,510.02 = 120,235.12/x
  3. Step 3: Cross multiply
    132,904.81x = 198,510.02 × 120,235.12
  4. Step 4: Simplify right side
    132,904.81x = 23,867,876,075.90
  5. Step 5: Solve for x
    x = 23,867,876,075.90/132,904.81
  6. Step 6: Final answer
    x = 179,586.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.