Home / 187,016.55-280,530.48-60,653.31

Finding the Fourth Proportional to 187,016.55, 280,530.48 and 60,653.31

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Solution

The fourth proportional to 187,016.55, 280,530.48 and 60,653.31 is: 90,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,016.55 : 280,530.48 = 60,653.31 : x
  2. Step 2: Convert to fraction form
    187,016.55/280,530.48 = 60,653.31/x
  3. Step 3: Cross multiply
    187,016.55x = 280,530.48 × 60,653.31
  4. Step 4: Simplify right side
    187,016.55x = 17,015,102,167.89
  5. Step 5: Solve for x
    x = 17,015,102,167.89/187,016.55
  6. Step 6: Final answer
    x = 90,981.80

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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.