Home / 219,531.08-329,262.18-69,751.64

Finding the Fourth Proportional to 219,531.08, 329,262.18 and 69,751.64

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Solution

The fourth proportional to 219,531.08, 329,262.18 and 69,751.64 is: 104,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,531.08 : 329,262.18 = 69,751.64 : x
  2. Step 2: Convert to fraction form
    219,531.08/329,262.18 = 69,751.64/x
  3. Step 3: Cross multiply
    219,531.08x = 329,262.18 × 69,751.64
  4. Step 4: Simplify right side
    219,531.08x = 22,966,577,044.98
  5. Step 5: Solve for x
    x = 22,966,577,044.98/219,531.08
  6. Step 6: Final answer
    x = 104,616.52

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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.