Home / 187,563.64-258,838.02-102,680.90

Finding the Fourth Proportional to 187,563.64, 258,838.02 and 102,680.90

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Solution

The fourth proportional to 187,563.64, 258,838.02 and 102,680.90 is: 141,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,563.64 : 258,838.02 = 102,680.90 : x
  2. Step 2: Convert to fraction form
    187,563.64/258,838.02 = 102,680.90/x
  3. Step 3: Cross multiply
    187,563.64x = 258,838.02 × 102,680.90
  4. Step 4: Simplify right side
    187,563.64x = 26,577,720,847.82
  5. Step 5: Solve for x
    x = 26,577,720,847.82/187,563.64
  6. Step 6: Final answer
    x = 141,699.75

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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.