Home / 187,236.86-258,386.94-102,353.90

Finding the Fourth Proportional to 187,236.86, 258,386.94 and 102,353.90

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Solution

The fourth proportional to 187,236.86, 258,386.94 and 102,353.90 is: 141,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,236.86 : 258,386.94 = 102,353.90 : x
  2. Step 2: Convert to fraction form
    187,236.86/258,386.94 = 102,353.90/x
  3. Step 3: Cross multiply
    187,236.86x = 258,386.94 × 102,353.90
  4. Step 4: Simplify right side
    187,236.86x = 26,446,911,018.07
  5. Step 5: Solve for x
    x = 26,446,911,018.07/187,236.86
  6. Step 6: Final answer
    x = 141,248.42

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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.