Home / 132,010.40-182,131.20-84,279.20

Finding the Fourth Proportional to 132,010.40, 182,131.20 and 84,279.20

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Solution

The fourth proportional to 132,010.40, 182,131.20 and 84,279.20 is: 116,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,010.40 : 182,131.20 = 84,279.20 : x
  2. Step 2: Convert to fraction form
    132,010.40/182,131.20 = 84,279.20/x
  3. Step 3: Cross multiply
    132,010.40x = 182,131.20 × 84,279.20
  4. Step 4: Simplify right side
    132,010.40x = 15,349,871,831.04
  5. Step 5: Solve for x
    x = 15,349,871,831.04/132,010.40
  6. Step 6: Final answer
    x = 116,277.75

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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.