Home / 102,552.89-153,845.60-43,389

Finding the Fourth Proportional to 102,552.89, 153,845.60 and 43,389

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Solution

The fourth proportional to 102,552.89, 153,845.60 and 43,389 is: 65,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,552.89 : 153,845.60 = 43,389 : x
  2. Step 2: Convert to fraction form
    102,552.89/153,845.60 = 43,389/x
  3. Step 3: Cross multiply
    102,552.89x = 153,845.60 × 43,389
  4. Step 4: Simplify right side
    102,552.89x = 6,675,206,521.46
  5. Step 5: Solve for x
    x = 6,675,206,521.46/102,552.89
  6. Step 6: Final answer
    x = 65,090.38

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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.