Home / 136,475.10-204,712.65-122,040.90

Finding the Fourth Proportional to 136,475.10, 204,712.65 and 122,040.90

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Solution

The fourth proportional to 136,475.10, 204,712.65 and 122,040.90 is: 183,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475.10 : 204,712.65 = 122,040.90 : x
  2. Step 2: Convert to fraction form
    136,475.10/204,712.65 = 122,040.90/x
  3. Step 3: Cross multiply
    136,475.10x = 204,712.65 × 122,040.90
  4. Step 4: Simplify right side
    136,475.10x = 24,983,316,047.39
  5. Step 5: Solve for x
    x = 24,983,316,047.39/136,475.10
  6. Step 6: Final answer
    x = 183,061.35

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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.