Home / 136,233.30-204,349.95-120,681.30

Finding the Fourth Proportional to 136,233.30, 204,349.95 and 120,681.30

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Solution

The fourth proportional to 136,233.30, 204,349.95 and 120,681.30 is: 181,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,233.30 : 204,349.95 = 120,681.30 : x
  2. Step 2: Convert to fraction form
    136,233.30/204,349.95 = 120,681.30/x
  3. Step 3: Cross multiply
    136,233.30x = 204,349.95 × 120,681.30
  4. Step 4: Simplify right side
    136,233.30x = 24,661,217,620.94
  5. Step 5: Solve for x
    x = 24,661,217,620.94/136,233.30
  6. Step 6: Final answer
    x = 181,021.95

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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.