Home / 187,442.85-258,670.56-101,401.81

Finding the Fourth Proportional to 187,442.85, 258,670.56 and 101,401.81

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Solution

The fourth proportional to 187,442.85, 258,670.56 and 101,401.81 is: 139,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,442.85 : 258,670.56 = 101,401.81 : x
  2. Step 2: Convert to fraction form
    187,442.85/258,670.56 = 101,401.81/x
  3. Step 3: Cross multiply
    187,442.85x = 258,670.56 × 101,401.81
  4. Step 4: Simplify right side
    187,442.85x = 26,229,662,331.04
  5. Step 5: Solve for x
    x = 26,229,662,331.04/187,442.85
  6. Step 6: Final answer
    x = 139,934.18

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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.