Home / 155,231.28-214,167.60-94,780.08

Finding the Fourth Proportional to 155,231.28, 214,167.60 and 94,780.08

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Solution

The fourth proportional to 155,231.28, 214,167.60 and 94,780.08 is: 130,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,231.28 : 214,167.60 = 94,780.08 : x
  2. Step 2: Convert to fraction form
    155,231.28/214,167.60 = 94,780.08/x
  3. Step 3: Cross multiply
    155,231.28x = 214,167.60 × 94,780.08
  4. Step 4: Simplify right side
    155,231.28x = 20,298,822,261.41
  5. Step 5: Solve for x
    x = 20,298,822,261.41/155,231.28
  6. Step 6: Final answer
    x = 130,765.03

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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.