Home / 223,350.28-334,743.63-90,156.40

Finding the Fourth Proportional to 223,350.28, 334,743.63 and 90,156.40

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Solution

The fourth proportional to 223,350.28, 334,743.63 and 90,156.40 is: 135,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,350.28 : 334,743.63 = 90,156.40 : x
  2. Step 2: Convert to fraction form
    223,350.28/334,743.63 = 90,156.40/x
  3. Step 3: Cross multiply
    223,350.28x = 334,743.63 × 90,156.40
  4. Step 4: Simplify right side
    223,350.28x = 30,179,280,603.73
  5. Step 5: Solve for x
    x = 30,179,280,603.73/223,350.28
  6. Step 6: Final answer
    x = 135,120.85

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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.