Home / 155,304.36-214,252.56-98,685.36

Finding the Fourth Proportional to 155,304.36, 214,252.56 and 98,685.36

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Solution

The fourth proportional to 155,304.36, 214,252.56 and 98,685.36 is: 136,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,304.36 : 214,252.56 = 98,685.36 : x
  2. Step 2: Convert to fraction form
    155,304.36/214,252.56 = 98,685.36/x
  3. Step 3: Cross multiply
    155,304.36x = 214,252.56 × 98,685.36
  4. Step 4: Simplify right side
    155,304.36x = 21,143,591,014.52
  5. Step 5: Solve for x
    x = 21,143,591,014.52/155,304.36
  6. Step 6: Final answer
    x = 136,142.93

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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.