Home / 102,270.32-153,469.36-39,095.78

Finding the Fourth Proportional to 102,270.32, 153,469.36 and 39,095.78

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Solution

The fourth proportional to 102,270.32, 153,469.36 and 39,095.78 is: 58,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,270.32 : 153,469.36 = 39,095.78 : x
  2. Step 2: Convert to fraction form
    102,270.32/153,469.36 = 39,095.78/x
  3. Step 3: Cross multiply
    102,270.32x = 153,469.36 × 39,095.78
  4. Step 4: Simplify right side
    102,270.32x = 6,000,004,767.84
  5. Step 5: Solve for x
    x = 6,000,004,767.84/102,270.32
  6. Step 6: Final answer
    x = 58,668.10

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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.