Home / 146,731.30-219,841.80-67,683.40

Finding the Fourth Proportional to 146,731.30, 219,841.80 and 67,683.40

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Solution

The fourth proportional to 146,731.30, 219,841.80 and 67,683.40 is: 101,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.30 : 219,841.80 = 67,683.40 : x
  2. Step 2: Convert to fraction form
    146,731.30/219,841.80 = 67,683.40/x
  3. Step 3: Cross multiply
    146,731.30x = 219,841.80 × 67,683.40
  4. Step 4: Simplify right side
    146,731.30x = 14,879,640,486.12
  5. Step 5: Solve for x
    x = 14,879,640,486.12/146,731.30
  6. Step 6: Final answer
    x = 101,407.41

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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.