Home / 219,478.10-329,152.20-93,116.74

Finding the Fourth Proportional to 219,478.10, 329,152.20 and 93,116.74

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Solution

The fourth proportional to 219,478.10, 329,152.20 and 93,116.74 is: 139,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,478.10 : 329,152.20 = 93,116.74 : x
  2. Step 2: Convert to fraction form
    219,478.10/329,152.20 = 93,116.74/x
  3. Step 3: Cross multiply
    219,478.10x = 329,152.20 × 93,116.74
  4. Step 4: Simplify right side
    219,478.10x = 30,649,579,827.83
  5. Step 5: Solve for x
    x = 30,649,579,827.83/219,478.10
  6. Step 6: Final answer
    x = 139,647.55

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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.