Home / 132,147.05-182,363.06-71,717.71

Finding the Fourth Proportional to 132,147.05, 182,363.06 and 71,717.71

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Solution

The fourth proportional to 132,147.05, 182,363.06 and 71,717.71 is: 98,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,147.05 : 182,363.06 = 71,717.71 : x
  2. Step 2: Convert to fraction form
    132,147.05/182,363.06 = 71,717.71/x
  3. Step 3: Cross multiply
    132,147.05x = 182,363.06 × 71,717.71
  4. Step 4: Simplify right side
    132,147.05x = 13,078,661,051.79
  5. Step 5: Solve for x
    x = 13,078,661,051.79/132,147.05
  6. Step 6: Final answer
    x = 98,970.51

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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.