Home / 157,234.20-235,592.10-130,795.80

Finding the Fourth Proportional to 157,234.20, 235,592.10 and 130,795.80

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Solution

The fourth proportional to 157,234.20, 235,592.10 and 130,795.80 is: 195,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,234.20 : 235,592.10 = 130,795.80 : x
  2. Step 2: Convert to fraction form
    157,234.20/235,592.10 = 130,795.80/x
  3. Step 3: Cross multiply
    157,234.20x = 235,592.10 × 130,795.80
  4. Step 4: Simplify right side
    157,234.20x = 30,814,457,193.18
  5. Step 5: Solve for x
    x = 30,814,457,193.18/157,234.20
  6. Step 6: Final answer
    x = 195,978.08

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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.