Home / 187,360.86-258,564.20-102,477.90

Finding the Fourth Proportional to 187,360.86, 258,564.20 and 102,477.90

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Solution

The fourth proportional to 187,360.86, 258,564.20 and 102,477.90 is: 141,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,360.86 : 258,564.20 = 102,477.90 : x
  2. Step 2: Convert to fraction form
    187,360.86/258,564.20 = 102,477.90/x
  3. Step 3: Cross multiply
    187,360.86x = 258,564.20 × 102,477.90
  4. Step 4: Simplify right side
    187,360.86x = 26,497,115,718.79
  5. Step 5: Solve for x
    x = 26,497,115,718.79/187,360.86
  6. Step 6: Final answer
    x = 141,422.90

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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.