Home / 187,894.12-259,292.82-103,011.88

Finding the Fourth Proportional to 187,894.12, 259,292.82 and 103,011.88

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Solution

The fourth proportional to 187,894.12, 259,292.82 and 103,011.88 is: 142,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,894.12 : 259,292.82 = 103,011.88 : x
  2. Step 2: Convert to fraction form
    187,894.12/259,292.82 = 103,011.88/x
  3. Step 3: Cross multiply
    187,894.12x = 259,292.82 × 103,011.88
  4. Step 4: Simplify right side
    187,894.12x = 26,710,240,858.70
  5. Step 5: Solve for x
    x = 26,710,240,858.70/187,894.12
  6. Step 6: Final answer
    x = 142,155.81

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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.