Home / 103,965.32-155,957.81-29,085.48

Finding the Fourth Proportional to 103,965.32, 155,957.81 and 29,085.48

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Solution

The fourth proportional to 103,965.32, 155,957.81 and 29,085.48 is: 43,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,965.32 : 155,957.81 = 29,085.48 : x
  2. Step 2: Convert to fraction form
    103,965.32/155,957.81 = 29,085.48/x
  3. Step 3: Cross multiply
    103,965.32x = 155,957.81 × 29,085.48
  4. Step 4: Simplify right side
    103,965.32x = 4,536,107,618.17
  5. Step 5: Solve for x
    x = 4,536,107,618.17/103,965.32
  6. Step 6: Final answer
    x = 43,630.97

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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.