Home / 132,186.47-182,412.07-71,755.07

Finding the Fourth Proportional to 132,186.47, 182,412.07 and 71,755.07

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Solution

The fourth proportional to 132,186.47, 182,412.07 and 71,755.07 is: 99,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,186.47 : 182,412.07 = 71,755.07 : x
  2. Step 2: Convert to fraction form
    132,186.47/182,412.07 = 71,755.07/x
  3. Step 3: Cross multiply
    132,186.47x = 182,412.07 × 71,755.07
  4. Step 4: Simplify right side
    132,186.47x = 13,088,989,760.25
  5. Step 5: Solve for x
    x = 13,088,989,760.25/132,186.47
  6. Step 6: Final answer
    x = 99,019.14

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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.