Home / 157,062.67-235,620.46-72,788.65

Finding the Fourth Proportional to 157,062.67, 235,620.46 and 72,788.65

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Solution

The fourth proportional to 157,062.67, 235,620.46 and 72,788.65 is: 109,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,062.67 : 235,620.46 = 72,788.65 : x
  2. Step 2: Convert to fraction form
    157,062.67/235,620.46 = 72,788.65/x
  3. Step 3: Cross multiply
    157,062.67x = 235,620.46 × 72,788.65
  4. Step 4: Simplify right side
    157,062.67x = 17,150,494,697.71
  5. Step 5: Solve for x
    x = 17,150,494,697.71/157,062.67
  6. Step 6: Final answer
    x = 109,195.23

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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.