Home / 86,214.26-129,310.46-64,059.95

Finding the Fourth Proportional to 86,214.26, 129,310.46 and 64,059.95

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Solution

The fourth proportional to 86,214.26, 129,310.46 and 64,059.95 is: 96,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.26 : 129,310.46 = 64,059.95 : x
  2. Step 2: Convert to fraction form
    86,214.26/129,310.46 = 64,059.95/x
  3. Step 3: Cross multiply
    86,214.26x = 129,310.46 × 64,059.95
  4. Step 4: Simplify right side
    86,214.26x = 8,283,621,602.08
  5. Step 5: Solve for x
    x = 8,283,621,602.08/86,214.26
  6. Step 6: Final answer
    x = 96,081.80

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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.