Home / 102,247.86-153,164.19-51,615.65

Finding the Fourth Proportional to 102,247.86, 153,164.19 and 51,615.65

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Solution

The fourth proportional to 102,247.86, 153,164.19 and 51,615.65 is: 77,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,247.86 : 153,164.19 = 51,615.65 : x
  2. Step 2: Convert to fraction form
    102,247.86/153,164.19 = 51,615.65/x
  3. Step 3: Cross multiply
    102,247.86x = 153,164.19 × 51,615.65
  4. Step 4: Simplify right side
    102,247.86x = 7,905,668,793.33
  5. Step 5: Solve for x
    x = 7,905,668,793.33/102,247.86
  6. Step 6: Final answer
    x = 77,318.67

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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.