Home / 137,134.90-205,784.09-61,227.55

Finding the Fourth Proportional to 137,134.90, 205,784.09 and 61,227.55

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Solution

The fourth proportional to 137,134.90, 205,784.09 and 61,227.55 is: 91,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,134.90 : 205,784.09 = 61,227.55 : x
  2. Step 2: Convert to fraction form
    137,134.90/205,784.09 = 61,227.55/x
  3. Step 3: Cross multiply
    137,134.90x = 205,784.09 × 61,227.55
  4. Step 4: Simplify right side
    137,134.90x = 12,599,655,027.24
  5. Step 5: Solve for x
    x = 12,599,655,027.24/137,134.90
  6. Step 6: Final answer
    x = 91,877.82

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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.