Home / 86,172.44-118,884.02-63,565.88

Finding the Fourth Proportional to 86,172.44, 118,884.02 and 63,565.88

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Solution

The fourth proportional to 86,172.44, 118,884.02 and 63,565.88 is: 87,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172.44 : 118,884.02 = 63,565.88 : x
  2. Step 2: Convert to fraction form
    86,172.44/118,884.02 = 63,565.88/x
  3. Step 3: Cross multiply
    86,172.44x = 118,884.02 × 63,565.88
  4. Step 4: Simplify right side
    86,172.44x = 7,556,966,436.99
  5. Step 5: Solve for x
    x = 7,556,966,436.99/86,172.44
  6. Step 6: Final answer
    x = 87,695.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.