Home / 250,788.08-346,086.60-137,612.72

Finding the Fourth Proportional to 250,788.08, 346,086.60 and 137,612.72

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Solution

The fourth proportional to 250,788.08, 346,086.60 and 137,612.72 is: 189,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,788.08 : 346,086.60 = 137,612.72 : x
  2. Step 2: Convert to fraction form
    250,788.08/346,086.60 = 137,612.72/x
  3. Step 3: Cross multiply
    250,788.08x = 346,086.60 × 137,612.72
  4. Step 4: Simplify right side
    250,788.08x = 47,625,918,381.55
  5. Step 5: Solve for x
    x = 47,625,918,381.55/250,788.08
  6. Step 6: Final answer
    x = 189,905.03

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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.