Home / 155,272.88-214,242.36-98,767.28

Finding the Fourth Proportional to 155,272.88, 214,242.36 and 98,767.28

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Solution

The fourth proportional to 155,272.88, 214,242.36 and 98,767.28 is: 136,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,272.88 : 214,242.36 = 98,767.28 : x
  2. Step 2: Convert to fraction form
    155,272.88/214,242.36 = 98,767.28/x
  3. Step 3: Cross multiply
    155,272.88x = 214,242.36 × 98,767.28
  4. Step 4: Simplify right side
    155,272.88x = 21,160,135,157.98
  5. Step 5: Solve for x
    x = 21,160,135,157.98/155,272.88
  6. Step 6: Final answer
    x = 136,277.08

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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.