Home / 156,567.72-216,216.84-108,293.28

Finding the Fourth Proportional to 156,567.72, 216,216.84 and 108,293.28

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Solution

The fourth proportional to 156,567.72, 216,216.84 and 108,293.28 is: 149,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,567.72 : 216,216.84 = 108,293.28 : x
  2. Step 2: Convert to fraction form
    156,567.72/216,216.84 = 108,293.28/x
  3. Step 3: Cross multiply
    156,567.72x = 216,216.84 × 108,293.28
  4. Step 4: Simplify right side
    156,567.72x = 23,414,830,794.84
  5. Step 5: Solve for x
    x = 23,414,830,794.84/156,567.72
  6. Step 6: Final answer
    x = 149,550.82

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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.