Home / 345,981.29-519,058.33-96,661.13

Finding the Fourth Proportional to 345,981.29, 519,058.33 and 96,661.13

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Solution

The fourth proportional to 345,981.29, 519,058.33 and 96,661.13 is: 145,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,981.29 : 519,058.33 = 96,661.13 : x
  2. Step 2: Convert to fraction form
    345,981.29/519,058.33 = 96,661.13/x
  3. Step 3: Cross multiply
    345,981.29x = 519,058.33 × 96,661.13
  4. Step 4: Simplify right side
    345,981.29x = 50,172,761,876.77
  5. Step 5: Solve for x
    x = 50,172,761,876.77/345,981.29
  6. Step 6: Final answer
    x = 145,015.83

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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.