Home / 155,531.07-214,637.72-88,467.39

Finding the Fourth Proportional to 155,531.07, 214,637.72 and 88,467.39

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Solution

The fourth proportional to 155,531.07, 214,637.72 and 88,467.39 is: 122,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,531.07 : 214,637.72 = 88,467.39 : x
  2. Step 2: Convert to fraction form
    155,531.07/214,637.72 = 88,467.39/x
  3. Step 3: Cross multiply
    155,531.07x = 214,637.72 × 88,467.39
  4. Step 4: Simplify right side
    155,531.07x = 18,988,438,441.61
  5. Step 5: Solve for x
    x = 18,988,438,441.61/155,531.07
  6. Step 6: Final answer
    x = 122,087.75

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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.