Home / 86,110.40-129,175.02-29,225.37

Finding the Fourth Proportional to 86,110.40, 129,175.02 and 29,225.37

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Solution

The fourth proportional to 86,110.40, 129,175.02 and 29,225.37 is: 43,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,110.40 : 129,175.02 = 29,225.37 : x
  2. Step 2: Convert to fraction form
    86,110.40/129,175.02 = 29,225.37/x
  3. Step 3: Cross multiply
    86,110.40x = 129,175.02 × 29,225.37
  4. Step 4: Simplify right side
    86,110.40x = 3,775,187,754.26
  5. Step 5: Solve for x
    x = 3,775,187,754.26/86,110.40
  6. Step 6: Final answer
    x = 43,841.25

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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.