Home / 157,664.88-236,475-45,354.60

Finding the Fourth Proportional to 157,664.88, 236,475 and 45,354.60

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Solution

The fourth proportional to 157,664.88, 236,475 and 45,354.60 is: 68,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,664.88 : 236,475 = 45,354.60 : x
  2. Step 2: Convert to fraction form
    157,664.88/236,475 = 45,354.60/x
  3. Step 3: Cross multiply
    157,664.88x = 236,475 × 45,354.60
  4. Step 4: Simplify right side
    157,664.88x = 10,725,229,035
  5. Step 5: Solve for x
    x = 10,725,229,035/157,664.88
  6. Step 6: Final answer
    x = 68,025.48

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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.