Home / 281,014.18-387,837.03-158,531.47

Finding the Fourth Proportional to 281,014.18, 387,837.03 and 158,531.47

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Solution

The fourth proportional to 281,014.18, 387,837.03 and 158,531.47 is: 218,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,014.18 : 387,837.03 = 158,531.47 : x
  2. Step 2: Convert to fraction form
    281,014.18/387,837.03 = 158,531.47/x
  3. Step 3: Cross multiply
    281,014.18x = 387,837.03 × 158,531.47
  4. Step 4: Simplify right side
    281,014.18x = 61,484,374,486.33
  5. Step 5: Solve for x
    x = 61,484,374,486.33/281,014.18
  6. Step 6: Final answer
    x = 218,794.56

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1.5x scale

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.