Home / 102,144.11-153,215.66-26,242.58

Finding the Fourth Proportional to 102,144.11, 153,215.66 and 26,242.58

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Solution

The fourth proportional to 102,144.11, 153,215.66 and 26,242.58 is: 39,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,144.11 : 153,215.66 = 26,242.58 : x
  2. Step 2: Convert to fraction form
    102,144.11/153,215.66 = 26,242.58/x
  3. Step 3: Cross multiply
    102,144.11x = 153,215.66 × 26,242.58
  4. Step 4: Simplify right side
    102,144.11x = 4,020,774,663.45
  5. Step 5: Solve for x
    x = 4,020,774,663.45/102,144.11
  6. Step 6: Final answer
    x = 39,363.75

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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.