Home / 86,250.16-129,331.49-39,462.94

Finding the Fourth Proportional to 86,250.16, 129,331.49 and 39,462.94

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Solution

The fourth proportional to 86,250.16, 129,331.49 and 39,462.94 is: 59,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.16 : 129,331.49 = 39,462.94 : x
  2. Step 2: Convert to fraction form
    86,250.16/129,331.49 = 39,462.94/x
  3. Step 3: Cross multiply
    86,250.16x = 129,331.49 × 39,462.94
  4. Step 4: Simplify right side
    86,250.16x = 5,103,800,309.34
  5. Step 5: Solve for x
    x = 5,103,800,309.34/86,250.16
  6. Step 6: Final answer
    x = 59,174.39

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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.