Home / 102,456.90-153,632.16-39,258.27

Finding the Fourth Proportional to 102,456.90, 153,632.16 and 39,258.27

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Solution

The fourth proportional to 102,456.90, 153,632.16 and 39,258.27 is: 58,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,456.90 : 153,632.16 = 39,258.27 : x
  2. Step 2: Convert to fraction form
    102,456.90/153,632.16 = 39,258.27/x
  3. Step 3: Cross multiply
    102,456.90x = 153,632.16 × 39,258.27
  4. Step 4: Simplify right side
    102,456.90x = 6,031,332,817.96
  5. Step 5: Solve for x
    x = 6,031,332,817.96/102,456.90
  6. Step 6: Final answer
    x = 58,867.02

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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.