Home / 131,948.09-182,086.40-74,585.40

Finding the Fourth Proportional to 131,948.09, 182,086.40 and 74,585.40

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Solution

The fourth proportional to 131,948.09, 182,086.40 and 74,585.40 is: 102,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,948.09 : 182,086.40 = 74,585.40 : x
  2. Step 2: Convert to fraction form
    131,948.09/182,086.40 = 74,585.40/x
  3. Step 3: Cross multiply
    131,948.09x = 182,086.40 × 74,585.40
  4. Step 4: Simplify right side
    131,948.09x = 13,580,986,978.56
  5. Step 5: Solve for x
    x = 13,580,986,978.56/131,948.09
  6. Step 6: Final answer
    x = 102,926.74

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1.5x scale

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.