Home / 219,781.10-329,562.25-70,001.98

Finding the Fourth Proportional to 219,781.10, 329,562.25 and 70,001.98

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Solution

The fourth proportional to 219,781.10, 329,562.25 and 70,001.98 is: 104,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,781.10 : 329,562.25 = 70,001.98 : x
  2. Step 2: Convert to fraction form
    219,781.10/329,562.25 = 70,001.98/x
  3. Step 3: Cross multiply
    219,781.10x = 329,562.25 × 70,001.98
  4. Step 4: Simplify right side
    219,781.10x = 23,070,010,033.26
  5. Step 5: Solve for x
    x = 23,070,010,033.26/219,781.10
  6. Step 6: Final answer
    x = 104,968.13

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1.5x scale

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.