Home / 155,422.61-214,464.03-98,040.27

Finding the Fourth Proportional to 155,422.61, 214,464.03 and 98,040.27

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Solution

The fourth proportional to 155,422.61, 214,464.03 and 98,040.27 is: 135,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.61 : 214,464.03 = 98,040.27 : x
  2. Step 2: Convert to fraction form
    155,422.61/214,464.03 = 98,040.27/x
  3. Step 3: Cross multiply
    155,422.61x = 214,464.03 × 98,040.27
  4. Step 4: Simplify right side
    155,422.61x = 21,026,111,406.49
  5. Step 5: Solve for x
    x = 21,026,111,406.49/155,422.61
  6. Step 6: Final answer
    x = 135,283.48

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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.