Home / 212,587.83-318,911.01-94,256.55

Finding the Fourth Proportional to 212,587.83, 318,911.01 and 94,256.55

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Solution

The fourth proportional to 212,587.83, 318,911.01 and 94,256.55 is: 141,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,587.83 : 318,911.01 = 94,256.55 : x
  2. Step 2: Convert to fraction form
    212,587.83/318,911.01 = 94,256.55/x
  3. Step 3: Cross multiply
    212,587.83x = 318,911.01 × 94,256.55
  4. Step 4: Simplify right side
    212,587.83x = 30,059,451,559.62
  5. Step 5: Solve for x
    x = 30,059,451,559.62/212,587.83
  6. Step 6: Final answer
    x = 141,397.80

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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.