Home / 109,167.28-163,750.90-30,281.52

Finding the Fourth Proportional to 109,167.28, 163,750.90 and 30,281.52

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Solution

The fourth proportional to 109,167.28, 163,750.90 and 30,281.52 is: 45,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,167.28 : 163,750.90 = 30,281.52 : x
  2. Step 2: Convert to fraction form
    109,167.28/163,750.90 = 30,281.52/x
  3. Step 3: Cross multiply
    109,167.28x = 163,750.90 × 30,281.52
  4. Step 4: Simplify right side
    109,167.28x = 4,958,626,153.37
  5. Step 5: Solve for x
    x = 4,958,626,153.37/109,167.28
  6. Step 6: Final answer
    x = 45,422.27

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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.