Home / 187,967.04-259,394.40-103,085.28

Finding the Fourth Proportional to 187,967.04, 259,394.40 and 103,085.28

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Solution

The fourth proportional to 187,967.04, 259,394.40 and 103,085.28 is: 142,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,967.04 : 259,394.40 = 103,085.28 : x
  2. Step 2: Convert to fraction form
    187,967.04/259,394.40 = 103,085.28/x
  3. Step 3: Cross multiply
    187,967.04x = 259,394.40 × 103,085.28
  4. Step 4: Simplify right side
    187,967.04x = 26,739,744,354.43
  5. Step 5: Solve for x
    x = 26,739,744,354.43/187,967.04
  6. Step 6: Final answer
    x = 142,257.62

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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.