Home / 187,237.86-258,388.32-102,354.90

Finding the Fourth Proportional to 187,237.86, 258,388.32 and 102,354.90

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Solution

The fourth proportional to 187,237.86, 258,388.32 and 102,354.90 is: 141,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,237.86 : 258,388.32 = 102,354.90 : x
  2. Step 2: Convert to fraction form
    187,237.86/258,388.32 = 102,354.90/x
  3. Step 3: Cross multiply
    187,237.86x = 258,388.32 × 102,354.90
  4. Step 4: Simplify right side
    187,237.86x = 26,447,310,654.77
  5. Step 5: Solve for x
    x = 26,447,310,654.77/187,237.86
  6. Step 6: Final answer
    x = 141,249.80

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1.5x scale

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.