Home / 170,148.23-255,380.22-85,967.53

Finding the Fourth Proportional to 170,148.23, 255,380.22 and 85,967.53

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Solution

The fourth proportional to 170,148.23, 255,380.22 and 85,967.53 is: 129,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,148.23 : 255,380.22 = 85,967.53 : x
  2. Step 2: Convert to fraction form
    170,148.23/255,380.22 = 85,967.53/x
  3. Step 3: Cross multiply
    170,148.23x = 255,380.22 × 85,967.53
  4. Step 4: Simplify right side
    170,148.23x = 21,954,406,724.26
  5. Step 5: Solve for x
    x = 21,954,406,724.26/170,148.23
  6. Step 6: Final answer
    x = 129,031.06

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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.