Home / 187,281.41-258,448.34-102,398.47

Finding the Fourth Proportional to 187,281.41, 258,448.34 and 102,398.47

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Solution

The fourth proportional to 187,281.41, 258,448.34 and 102,398.47 is: 141,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,281.41 : 258,448.34 = 102,398.47 : x
  2. Step 2: Convert to fraction form
    187,281.41/258,448.34 = 102,398.47/x
  3. Step 3: Cross multiply
    187,281.41x = 258,448.34 × 102,398.47
  4. Step 4: Simplify right side
    187,281.41x = 26,464,714,590.04
  5. Step 5: Solve for x
    x = 26,464,714,590.04/187,281.41
  6. Step 6: Final answer
    x = 141,309.89

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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.