Home / 157,876.29-236,845.55-51,240.33

Finding the Fourth Proportional to 157,876.29, 236,845.55 and 51,240.33

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Solution

The fourth proportional to 157,876.29, 236,845.55 and 51,240.33 is: 76,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,876.29 : 236,845.55 = 51,240.33 : x
  2. Step 2: Convert to fraction form
    157,876.29/236,845.55 = 51,240.33/x
  3. Step 3: Cross multiply
    157,876.29x = 236,845.55 × 51,240.33
  4. Step 4: Simplify right side
    157,876.29x = 12,136,044,269.13
  5. Step 5: Solve for x
    x = 12,136,044,269.13/157,876.29
  6. Step 6: Final answer
    x = 76,870.59

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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.