Home / 155,928.24-214,500.96-136,721.52

Finding the Fourth Proportional to 155,928.24, 214,500.96 and 136,721.52

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Solution

The fourth proportional to 155,928.24, 214,500.96 and 136,721.52 is: 188,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,928.24 : 214,500.96 = 136,721.52 : x
  2. Step 2: Convert to fraction form
    155,928.24/214,500.96 = 136,721.52/x
  3. Step 3: Cross multiply
    155,928.24x = 214,500.96 × 136,721.52
  4. Step 4: Simplify right side
    155,928.24x = 29,326,897,292.66
  5. Step 5: Solve for x
    x = 29,326,897,292.66/155,928.24
  6. Step 6: Final answer
    x = 188,079.45

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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.