Home / 109,310.28-163,971.34-34,436.32

Finding the Fourth Proportional to 109,310.28, 163,971.34 and 34,436.32

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Solution

The fourth proportional to 109,310.28, 163,971.34 and 34,436.32 is: 51,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,310.28 : 163,971.34 = 34,436.32 : x
  2. Step 2: Convert to fraction form
    109,310.28/163,971.34 = 34,436.32/x
  3. Step 3: Cross multiply
    109,310.28x = 163,971.34 × 34,436.32
  4. Step 4: Simplify right side
    109,310.28x = 5,646,569,535.07
  5. Step 5: Solve for x
    x = 5,646,569,535.07/109,310.28
  6. Step 6: Final answer
    x = 51,656.34

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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.