Home / 85,167.75-127,606.34-60,159.66

Finding the Fourth Proportional to 85,167.75, 127,606.34 and 60,159.66

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Solution

The fourth proportional to 85,167.75, 127,606.34 and 60,159.66 is: 90,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167.75 : 127,606.34 = 60,159.66 : x
  2. Step 2: Convert to fraction form
    85,167.75/127,606.34 = 60,159.66/x
  3. Step 3: Cross multiply
    85,167.75x = 127,606.34 × 60,159.66
  4. Step 4: Simplify right side
    85,167.75x = 7,676,754,079.51
  5. Step 5: Solve for x
    x = 7,676,754,079.51/85,167.75
  6. Step 6: Final answer
    x = 90,136.86

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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.