Home / 136,141.72-204,088.08-57,261.52

Finding the Fourth Proportional to 136,141.72, 204,088.08 and 57,261.52

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Solution

The fourth proportional to 136,141.72, 204,088.08 and 57,261.52 is: 85,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141.72 : 204,088.08 = 57,261.52 : x
  2. Step 2: Convert to fraction form
    136,141.72/204,088.08 = 57,261.52/x
  3. Step 3: Cross multiply
    136,141.72x = 204,088.08 × 57,261.52
  4. Step 4: Simplify right side
    136,141.72x = 11,686,393,674.68
  5. Step 5: Solve for x
    x = 11,686,393,674.68/136,141.72
  6. Step 6: Final answer
    x = 85,839.92

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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.