Home / 157,825.52-236,793.64-81,887.55

Finding the Fourth Proportional to 157,825.52, 236,793.64 and 81,887.55

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Solution

The fourth proportional to 157,825.52, 236,793.64 and 81,887.55 is: 122,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,825.52 : 236,793.64 = 81,887.55 : x
  2. Step 2: Convert to fraction form
    157,825.52/236,793.64 = 81,887.55/x
  3. Step 3: Cross multiply
    157,825.52x = 236,793.64 × 81,887.55
  4. Step 4: Simplify right side
    157,825.52x = 19,390,451,035.18
  5. Step 5: Solve for x
    x = 19,390,451,035.18/157,825.52
  6. Step 6: Final answer
    x = 122,860.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.