Home / 187,390.20-258,600.52-102,507.26

Finding the Fourth Proportional to 187,390.20, 258,600.52 and 102,507.26

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Solution

The fourth proportional to 187,390.20, 258,600.52 and 102,507.26 is: 141,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.20 : 258,600.52 = 102,507.26 : x
  2. Step 2: Convert to fraction form
    187,390.20/258,600.52 = 102,507.26/x
  3. Step 3: Cross multiply
    187,390.20x = 258,600.52 × 102,507.26
  4. Step 4: Simplify right side
    187,390.20x = 26,508,430,739.78
  5. Step 5: Solve for x
    x = 26,508,430,739.78/187,390.20
  6. Step 6: Final answer
    x = 141,461.14

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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.