Home / 153,920.70-230,463.99-79,893.18

Finding the Fourth Proportional to 153,920.70, 230,463.99 and 79,893.18

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Solution

The fourth proportional to 153,920.70, 230,463.99 and 79,893.18 is: 119,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,920.70 : 230,463.99 = 79,893.18 : x
  2. Step 2: Convert to fraction form
    153,920.70/230,463.99 = 79,893.18/x
  3. Step 3: Cross multiply
    153,920.70x = 230,463.99 × 79,893.18
  4. Step 4: Simplify right side
    153,920.70x = 18,412,501,036.59
  5. Step 5: Solve for x
    x = 18,412,501,036.59/153,920.70
  6. Step 6: Final answer
    x = 119,623.29

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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.