Home / 223,090.03-334,967.28-90,229.78

Finding the Fourth Proportional to 223,090.03, 334,967.28 and 90,229.78

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Solution

The fourth proportional to 223,090.03, 334,967.28 and 90,229.78 is: 135,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,090.03 : 334,967.28 = 90,229.78 : x
  2. Step 2: Convert to fraction form
    223,090.03/334,967.28 = 90,229.78/x
  3. Step 3: Cross multiply
    223,090.03x = 334,967.28 × 90,229.78
  4. Step 4: Simplify right side
    223,090.03x = 30,224,023,981.60
  5. Step 5: Solve for x
    x = 30,224,023,981.60/223,090.03
  6. Step 6: Final answer
    x = 135,479.04

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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.