Home / 132,075.56-198,162.66-53,212.16

Finding the Fourth Proportional to 132,075.56, 198,162.66 and 53,212.16

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Solution

The fourth proportional to 132,075.56, 198,162.66 and 53,212.16 is: 79,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,075.56 : 198,162.66 = 53,212.16 : x
  2. Step 2: Convert to fraction form
    132,075.56/198,162.66 = 53,212.16/x
  3. Step 3: Cross multiply
    132,075.56x = 198,162.66 × 53,212.16
  4. Step 4: Simplify right side
    132,075.56x = 10,544,663,169.95
  5. Step 5: Solve for x
    x = 10,544,663,169.95/132,075.56
  6. Step 6: Final answer
    x = 79,838.11

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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.