Home / 132,909.93-199,143.02-93,396.31

Finding the Fourth Proportional to 132,909.93, 199,143.02 and 93,396.31

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Solution

The fourth proportional to 132,909.93, 199,143.02 and 93,396.31 is: 139,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,909.93 : 199,143.02 = 93,396.31 : x
  2. Step 2: Convert to fraction form
    132,909.93/199,143.02 = 93,396.31/x
  3. Step 3: Cross multiply
    132,909.93x = 199,143.02 × 93,396.31
  4. Step 4: Simplify right side
    132,909.93x = 18,599,222,965.89
  5. Step 5: Solve for x
    x = 18,599,222,965.89/132,909.93
  6. Step 6: Final answer
    x = 139,938.55

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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.