Home / 157,630.60-236,445.90-143,115.40

Finding the Fourth Proportional to 157,630.60, 236,445.90 and 143,115.40

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Solution

The fourth proportional to 157,630.60, 236,445.90 and 143,115.40 is: 214,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,630.60 : 236,445.90 = 143,115.40 : x
  2. Step 2: Convert to fraction form
    157,630.60/236,445.90 = 143,115.40/x
  3. Step 3: Cross multiply
    157,630.60x = 236,445.90 × 143,115.40
  4. Step 4: Simplify right side
    157,630.60x = 33,839,049,556.86
  5. Step 5: Solve for x
    x = 33,839,049,556.86/157,630.60
  6. Step 6: Final answer
    x = 214,673.10

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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.