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Finding the Fourth Proportional to 115,327.60, 173,020.20 and 32,220.88

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Solution

The fourth proportional to 115,327.60, 173,020.20 and 32,220.88 is: 48,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.60 : 173,020.20 = 32,220.88 : x
  2. Step 2: Convert to fraction form
    115,327.60/173,020.20 = 32,220.88/x
  3. Step 3: Cross multiply
    115,327.60x = 173,020.20 × 32,220.88
  4. Step 4: Simplify right side
    115,327.60x = 5,574,862,075.57
  5. Step 5: Solve for x
    x = 5,574,862,075.57/115,327.60
  6. Step 6: Final answer
    x = 48,339.36

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1.5x scale

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.