Home / 157,336.40-217,231.56-120,973.88

Finding the Fourth Proportional to 157,336.40, 217,231.56 and 120,973.88

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Solution

The fourth proportional to 157,336.40, 217,231.56 and 120,973.88 is: 167,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,336.40 : 217,231.56 = 120,973.88 : x
  2. Step 2: Convert to fraction form
    157,336.40/217,231.56 = 120,973.88/x
  3. Step 3: Cross multiply
    157,336.40x = 217,231.56 × 120,973.88
  4. Step 4: Simplify right side
    157,336.40x = 26,279,343,585.50
  5. Step 5: Solve for x
    x = 26,279,343,585.50/157,336.40
  6. Step 6: Final answer
    x = 167,026.48

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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.