Home / 155,422.48-214,463.86-98,040.15

Finding the Fourth Proportional to 155,422.48, 214,463.86 and 98,040.15

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Solution

The fourth proportional to 155,422.48, 214,463.86 and 98,040.15 is: 135,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.48 : 214,463.86 = 98,040.15 : x
  2. Step 2: Convert to fraction form
    155,422.48/214,463.86 = 98,040.15/x
  3. Step 3: Cross multiply
    155,422.48x = 214,463.86 × 98,040.15
  4. Step 4: Simplify right side
    155,422.48x = 21,026,067,441.46
  5. Step 5: Solve for x
    x = 21,026,067,441.46/155,422.48
  6. Step 6: Final answer
    x = 135,283.31

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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.