Home / 136,902.18-189,013.86-122,537.10

Finding the Fourth Proportional to 136,902.18, 189,013.86 and 122,537.10

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Solution

The fourth proportional to 136,902.18, 189,013.86 and 122,537.10 is: 169,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,902.18 : 189,013.86 = 122,537.10 : x
  2. Step 2: Convert to fraction form
    136,902.18/189,013.86 = 122,537.10/x
  3. Step 3: Cross multiply
    136,902.18x = 189,013.86 × 122,537.10
  4. Step 4: Simplify right side
    136,902.18x = 23,161,210,264.21
  5. Step 5: Solve for x
    x = 23,161,210,264.21/136,902.18
  6. Step 6: Final answer
    x = 169,180.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.