Home / 156,967.20-235,445.52-68,220.69

Finding the Fourth Proportional to 156,967.20, 235,445.52 and 68,220.69

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Solution

The fourth proportional to 156,967.20, 235,445.52 and 68,220.69 is: 102,328.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.20 : 235,445.52 = 68,220.69 : x
  2. Step 2: Convert to fraction form
    156,967.20/235,445.52 = 68,220.69/x
  3. Step 3: Cross multiply
    156,967.20x = 235,445.52 × 68,220.69
  4. Step 4: Simplify right side
    156,967.20x = 16,062,255,831.81
  5. Step 5: Solve for x
    x = 16,062,255,831.81/156,967.20
  6. Step 6: Final answer
    x = 102,328.74

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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.