Home / 187,038.56-258,114.12-102,157.04

Finding the Fourth Proportional to 187,038.56, 258,114.12 and 102,157.04

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Solution

The fourth proportional to 187,038.56, 258,114.12 and 102,157.04 is: 140,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,038.56 : 258,114.12 = 102,157.04 : x
  2. Step 2: Convert to fraction form
    187,038.56/258,114.12 = 102,157.04/x
  3. Step 3: Cross multiply
    187,038.56x = 258,114.12 × 102,157.04
  4. Step 4: Simplify right side
    187,038.56x = 26,368,174,481.40
  5. Step 5: Solve for x
    x = 26,368,174,481.40/187,038.56
  6. Step 6: Final answer
    x = 140,977.21

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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.