Home / 107,225.44-161,798.40-102,909.76

Finding the Fourth Proportional to 107,225.44, 161,798.40 and 102,909.76

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Solution

The fourth proportional to 107,225.44, 161,798.40 and 102,909.76 is: 155,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,225.44 : 161,798.40 = 102,909.76 : x
  2. Step 2: Convert to fraction form
    107,225.44/161,798.40 = 102,909.76/x
  3. Step 3: Cross multiply
    107,225.44x = 161,798.40 × 102,909.76
  4. Step 4: Simplify right side
    107,225.44x = 16,650,634,512.38
  5. Step 5: Solve for x
    x = 16,650,634,512.38/107,225.44
  6. Step 6: Final answer
    x = 155,286.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.