Home / 187,220.52-258,499.62-115,698.60

Finding the Fourth Proportional to 187,220.52, 258,499.62 and 115,698.60

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Solution

The fourth proportional to 187,220.52, 258,499.62 and 115,698.60 is: 159,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.52 : 258,499.62 = 115,698.60 : x
  2. Step 2: Convert to fraction form
    187,220.52/258,499.62 = 115,698.60/x
  3. Step 3: Cross multiply
    187,220.52x = 258,499.62 × 115,698.60
  4. Step 4: Simplify right side
    187,220.52x = 29,908,044,134.53
  5. Step 5: Solve for x
    x = 29,908,044,134.53/187,220.52
  6. Step 6: Final answer
    x = 159,747.68

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1.5x scale

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.