Home / 132,370.10-182,670.73-71,940.88

Finding the Fourth Proportional to 132,370.10, 182,670.73 and 71,940.88

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Solution

The fourth proportional to 132,370.10, 182,670.73 and 71,940.88 is: 99,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.10 : 182,670.73 = 71,940.88 : x
  2. Step 2: Convert to fraction form
    132,370.10/182,670.73 = 71,940.88/x
  3. Step 3: Cross multiply
    132,370.10x = 182,670.73 × 71,940.88
  4. Step 4: Simplify right side
    132,370.10x = 13,141,494,175.16
  5. Step 5: Solve for x
    x = 13,141,494,175.16/132,370.10
  6. Step 6: Final answer
    x = 99,278.42

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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.