Home / 162,170.30-243,255.45-83,234.18

Finding the Fourth Proportional to 162,170.30, 243,255.45 and 83,234.18

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Solution

The fourth proportional to 162,170.30, 243,255.45 and 83,234.18 is: 124,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,170.30 : 243,255.45 = 83,234.18 : x
  2. Step 2: Convert to fraction form
    162,170.30/243,255.45 = 83,234.18/x
  3. Step 3: Cross multiply
    162,170.30x = 243,255.45 × 83,234.18
  4. Step 4: Simplify right side
    162,170.30x = 20,247,168,831.55
  5. Step 5: Solve for x
    x = 20,247,168,831.55/162,170.30
  6. Step 6: Final answer
    x = 124,851.27

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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.