Home / 131,888.79-182,015.46-74,508.21

Finding the Fourth Proportional to 131,888.79, 182,015.46 and 74,508.21

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Solution

The fourth proportional to 131,888.79, 182,015.46 and 74,508.21 is: 102,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.79 : 182,015.46 = 74,508.21 : x
  2. Step 2: Convert to fraction form
    131,888.79/182,015.46 = 74,508.21/x
  3. Step 3: Cross multiply
    131,888.79x = 182,015.46 × 74,508.21
  4. Step 4: Simplify right side
    131,888.79x = 13,561,646,116.93
  5. Step 5: Solve for x
    x = 13,561,646,116.93/131,888.79
  6. Step 6: Final answer
    x = 102,826.37

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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.