Home / 109,331.85-164,020.78-61,969.63

Finding the Fourth Proportional to 109,331.85, 164,020.78 and 61,969.63

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Solution

The fourth proportional to 109,331.85, 164,020.78 and 61,969.63 is: 92,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,331.85 : 164,020.78 = 61,969.63 : x
  2. Step 2: Convert to fraction form
    109,331.85/164,020.78 = 61,969.63/x
  3. Step 3: Cross multiply
    109,331.85x = 164,020.78 × 61,969.63
  4. Step 4: Simplify right side
    109,331.85x = 10,164,307,048.91
  5. Step 5: Solve for x
    x = 10,164,307,048.91/109,331.85
  6. Step 6: Final answer
    x = 92,967.48

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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.