Home / 146,638.48-219,913.74-76,479.52

Finding the Fourth Proportional to 146,638.48, 219,913.74 and 76,479.52

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Solution

The fourth proportional to 146,638.48, 219,913.74 and 76,479.52 is: 114,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,638.48 : 219,913.74 = 76,479.52 : x
  2. Step 2: Convert to fraction form
    146,638.48/219,913.74 = 76,479.52/x
  3. Step 3: Cross multiply
    146,638.48x = 219,913.74 × 76,479.52
  4. Step 4: Simplify right side
    146,638.48x = 16,818,897,276.60
  5. Step 5: Solve for x
    x = 16,818,897,276.60/146,638.48
  6. Step 6: Final answer
    x = 114,696.34

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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.