Home / 187,731.50-259,069.48-112,280

Finding the Fourth Proportional to 187,731.50, 259,069.48 and 112,280

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Solution

The fourth proportional to 187,731.50, 259,069.48 and 112,280 is: 154,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,731.50 : 259,069.48 = 112,280 : x
  2. Step 2: Convert to fraction form
    187,731.50/259,069.48 = 112,280/x
  3. Step 3: Cross multiply
    187,731.50x = 259,069.48 × 112,280
  4. Step 4: Simplify right side
    187,731.50x = 29,088,321,214.40
  5. Step 5: Solve for x
    x = 29,088,321,214.40/187,731.50
  6. Step 6: Final answer
    x = 154,946.41

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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.