Home / 132,172.88-182,398.71-71,743.51

Finding the Fourth Proportional to 132,172.88, 182,398.71 and 71,743.51

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Solution

The fourth proportional to 132,172.88, 182,398.71 and 71,743.51 is: 99,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172.88 : 182,398.71 = 71,743.51 : x
  2. Step 2: Convert to fraction form
    132,172.88/182,398.71 = 71,743.51/x
  3. Step 3: Cross multiply
    132,172.88x = 182,398.71 × 71,743.51
  4. Step 4: Simplify right side
    132,172.88x = 13,085,923,674.87
  5. Step 5: Solve for x
    x = 13,085,923,674.87/132,172.88
  6. Step 6: Final answer
    x = 99,006.12

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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.