Home / 187,713.33-259,050.87-102,830.40

Finding the Fourth Proportional to 187,713.33, 259,050.87 and 102,830.40

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Solution

The fourth proportional to 187,713.33, 259,050.87 and 102,830.40 is: 141,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,713.33 : 259,050.87 = 102,830.40 : x
  2. Step 2: Convert to fraction form
    187,713.33/259,050.87 = 102,830.40/x
  3. Step 3: Cross multiply
    187,713.33x = 259,050.87 × 102,830.40
  4. Step 4: Simplify right side
    187,713.33x = 26,638,304,582.45
  5. Step 5: Solve for x
    x = 26,638,304,582.45/187,713.33
  6. Step 6: Final answer
    x = 141,909.50

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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.