Home / 146,337.78-219,148.41-120,881.55

Finding the Fourth Proportional to 146,337.78, 219,148.41 and 120,881.55

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Solution

The fourth proportional to 146,337.78, 219,148.41 and 120,881.55 is: 181,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,337.78 : 219,148.41 = 120,881.55 : x
  2. Step 2: Convert to fraction form
    146,337.78/219,148.41 = 120,881.55/x
  3. Step 3: Cross multiply
    146,337.78x = 219,148.41 × 120,881.55
  4. Step 4: Simplify right side
    146,337.78x = 26,490,999,480.84
  5. Step 5: Solve for x
    x = 26,490,999,480.84/146,337.78
  6. Step 6: Final answer
    x = 181,026.39

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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.