Home / 157,223.78-235,872.58-52,042.75

Finding the Fourth Proportional to 157,223.78, 235,872.58 and 52,042.75

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Solution

The fourth proportional to 157,223.78, 235,872.58 and 52,042.75 is: 78,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,223.78 : 235,872.58 = 52,042.75 : x
  2. Step 2: Convert to fraction form
    157,223.78/235,872.58 = 52,042.75/x
  3. Step 3: Cross multiply
    157,223.78x = 235,872.58 × 52,042.75
  4. Step 4: Simplify right side
    157,223.78x = 12,275,457,582.69
  5. Step 5: Solve for x
    x = 12,275,457,582.69/157,223.78
  6. Step 6: Final answer
    x = 78,076.34

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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.