Home / 115,386.33-159,234.62-67,627.65

Finding the Fourth Proportional to 115,386.33, 159,234.62 and 67,627.65

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Solution

The fourth proportional to 115,386.33, 159,234.62 and 67,627.65 is: 93,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,386.33 : 159,234.62 = 67,627.65 : x
  2. Step 2: Convert to fraction form
    115,386.33/159,234.62 = 67,627.65/x
  3. Step 3: Cross multiply
    115,386.33x = 159,234.62 × 67,627.65
  4. Step 4: Simplify right side
    115,386.33x = 10,768,662,811.10
  5. Step 5: Solve for x
    x = 10,768,662,811.10/115,386.33
  6. Step 6: Final answer
    x = 93,327.02

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1.5x scale

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.