Home / 157,034.46-235,427.76-78,105.63

Finding the Fourth Proportional to 157,034.46, 235,427.76 and 78,105.63

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Solution

The fourth proportional to 157,034.46, 235,427.76 and 78,105.63 is: 117,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,034.46 : 235,427.76 = 78,105.63 : x
  2. Step 2: Convert to fraction form
    157,034.46/235,427.76 = 78,105.63/x
  3. Step 3: Cross multiply
    157,034.46x = 235,427.76 × 78,105.63
  4. Step 4: Simplify right side
    157,034.46x = 18,388,233,514.29
  5. Step 5: Solve for x
    x = 18,388,233,514.29/157,034.46
  6. Step 6: Final answer
    x = 117,096.80

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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.