Home / 107,150.40-147,837.60-84,418.92

Finding the Fourth Proportional to 107,150.40, 147,837.60 and 84,418.92

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Solution

The fourth proportional to 107,150.40, 147,837.60 and 84,418.92 is: 116,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,150.40 : 147,837.60 = 84,418.92 : x
  2. Step 2: Convert to fraction form
    107,150.40/147,837.60 = 84,418.92/x
  3. Step 3: Cross multiply
    107,150.40x = 147,837.60 × 84,418.92
  4. Step 4: Simplify right side
    107,150.40x = 12,480,290,527.39
  5. Step 5: Solve for x
    x = 12,480,290,527.39/107,150.40
  6. Step 6: Final answer
    x = 116,474.51

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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.