Home / 207,002.38-310,624.05-87,050.65

Finding the Fourth Proportional to 207,002.38, 310,624.05 and 87,050.65

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Solution

The fourth proportional to 207,002.38, 310,624.05 and 87,050.65 is: 130,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,002.38 : 310,624.05 = 87,050.65 : x
  2. Step 2: Convert to fraction form
    207,002.38/310,624.05 = 87,050.65/x
  3. Step 3: Cross multiply
    207,002.38x = 310,624.05 × 87,050.65
  4. Step 4: Simplify right side
    207,002.38x = 27,040,025,458.13
  5. Step 5: Solve for x
    x = 27,040,025,458.13/207,002.38
  6. Step 6: Final answer
    x = 130,626.64

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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.