Home / 107,631.40-161,447.10-94,498.60

Finding the Fourth Proportional to 107,631.40, 161,447.10 and 94,498.60

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Solution

The fourth proportional to 107,631.40, 161,447.10 and 94,498.60 is: 141,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,631.40 : 161,447.10 = 94,498.60 : x
  2. Step 2: Convert to fraction form
    107,631.40/161,447.10 = 94,498.60/x
  3. Step 3: Cross multiply
    107,631.40x = 161,447.10 × 94,498.60
  4. Step 4: Simplify right side
    107,631.40x = 15,256,524,924.06
  5. Step 5: Solve for x
    x = 15,256,524,924.06/107,631.40
  6. Step 6: Final answer
    x = 141,747.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.