Home / 148,370.98-204,739.82-87,110.71

Finding the Fourth Proportional to 148,370.98, 204,739.82 and 87,110.71

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Solution

The fourth proportional to 148,370.98, 204,739.82 and 87,110.71 is: 120,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,370.98 : 204,739.82 = 87,110.71 : x
  2. Step 2: Convert to fraction form
    148,370.98/204,739.82 = 87,110.71/x
  3. Step 3: Cross multiply
    148,370.98x = 204,739.82 × 87,110.71
  4. Step 4: Simplify right side
    148,370.98x = 17,835,031,085.47
  5. Step 5: Solve for x
    x = 17,835,031,085.47/148,370.98
  6. Step 6: Final answer
    x = 120,205.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.