Home / 109,070.40-150,514.56-71,343.84

Finding the Fourth Proportional to 109,070.40, 150,514.56 and 71,343.84

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Solution

The fourth proportional to 109,070.40, 150,514.56 and 71,343.84 is: 98,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,070.40 : 150,514.56 = 71,343.84 : x
  2. Step 2: Convert to fraction form
    109,070.40/150,514.56 = 71,343.84/x
  3. Step 3: Cross multiply
    109,070.40x = 150,514.56 × 71,343.84
  4. Step 4: Simplify right side
    109,070.40x = 10,738,286,686.31
  5. Step 5: Solve for x
    x = 10,738,286,686.31/109,070.40
  6. Step 6: Final answer
    x = 98,452.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.