Home / 86,180.31-129,272.63-23,851.35

Finding the Fourth Proportional to 86,180.31, 129,272.63 and 23,851.35

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Solution

The fourth proportional to 86,180.31, 129,272.63 and 23,851.35 is: 35,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.31 : 129,272.63 = 23,851.35 : x
  2. Step 2: Convert to fraction form
    86,180.31/129,272.63 = 23,851.35/x
  3. Step 3: Cross multiply
    86,180.31x = 129,272.63 × 23,851.35
  4. Step 4: Simplify right side
    86,180.31x = 3,083,326,624.29
  5. Step 5: Solve for x
    x = 3,083,326,624.29/86,180.31
  6. Step 6: Final answer
    x = 35,777.62

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1.5x scale

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.