Home / 102,925.20-154,272.60-43,750.80

Finding the Fourth Proportional to 102,925.20, 154,272.60 and 43,750.80

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Solution

The fourth proportional to 102,925.20, 154,272.60 and 43,750.80 is: 65,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,925.20 : 154,272.60 = 43,750.80 : x
  2. Step 2: Convert to fraction form
    102,925.20/154,272.60 = 43,750.80/x
  3. Step 3: Cross multiply
    102,925.20x = 154,272.60 × 43,750.80
  4. Step 4: Simplify right side
    102,925.20x = 6,749,549,668.08
  5. Step 5: Solve for x
    x = 6,749,549,668.08/102,925.20
  6. Step 6: Final answer
    x = 65,577.23

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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.