Home / 187,084.18-280,736.98-68,838.56

Finding the Fourth Proportional to 187,084.18, 280,736.98 and 68,838.56

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Solution

The fourth proportional to 187,084.18, 280,736.98 and 68,838.56 is: 103,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084.18 : 280,736.98 = 68,838.56 : x
  2. Step 2: Convert to fraction form
    187,084.18/280,736.98 = 68,838.56/x
  3. Step 3: Cross multiply
    187,084.18x = 280,736.98 × 68,838.56
  4. Step 4: Simplify right side
    187,084.18x = 19,325,528,210.36
  5. Step 5: Solve for x
    x = 19,325,528,210.36/187,084.18
  6. Step 6: Final answer
    x = 103,298.57

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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.