Home / 187,856.61-259,248.77-102,973.65

Finding the Fourth Proportional to 187,856.61, 259,248.77 and 102,973.65

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Solution

The fourth proportional to 187,856.61, 259,248.77 and 102,973.65 is: 142,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.61 : 259,248.77 = 102,973.65 : x
  2. Step 2: Convert to fraction form
    187,856.61/259,248.77 = 102,973.65/x
  3. Step 3: Cross multiply
    187,856.61x = 259,248.77 × 102,973.65
  4. Step 4: Simplify right side
    187,856.61x = 26,695,792,104.91
  5. Step 5: Solve for x
    x = 26,695,792,104.91/187,856.61
  6. Step 6: Final answer
    x = 142,107.28

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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.