Home / 102,102.16-153,111.29-38,945.25

Finding the Fourth Proportional to 102,102.16, 153,111.29 and 38,945.25

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Solution

The fourth proportional to 102,102.16, 153,111.29 and 38,945.25 is: 58,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,102.16 : 153,111.29 = 38,945.25 : x
  2. Step 2: Convert to fraction form
    102,102.16/153,111.29 = 38,945.25/x
  3. Step 3: Cross multiply
    102,102.16x = 153,111.29 × 38,945.25
  4. Step 4: Simplify right side
    102,102.16x = 5,962,957,466.87
  5. Step 5: Solve for x
    x = 5,962,957,466.87/102,102.16
  6. Step 6: Final answer
    x = 58,401.87

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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.