Home / 157,335.90-217,230.87-120,973.38

Finding the Fourth Proportional to 157,335.90, 217,230.87 and 120,973.38

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Solution

The fourth proportional to 157,335.90, 217,230.87 and 120,973.38 is: 167,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,335.90 : 217,230.87 = 120,973.38 : x
  2. Step 2: Convert to fraction form
    157,335.90/217,230.87 = 120,973.38/x
  3. Step 3: Cross multiply
    157,335.90x = 217,230.87 × 120,973.38
  4. Step 4: Simplify right side
    157,335.90x = 26,279,152,584.24
  5. Step 5: Solve for x
    x = 26,279,152,584.24/157,335.90
  6. Step 6: Final answer
    x = 167,025.79

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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.