Home / 109,213.30-163,825.35-56,725.30

Finding the Fourth Proportional to 109,213.30, 163,825.35 and 56,725.30

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Solution

The fourth proportional to 109,213.30, 163,825.35 and 56,725.30 is: 85,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213.30 : 163,825.35 = 56,725.30 : x
  2. Step 2: Convert to fraction form
    109,213.30/163,825.35 = 56,725.30/x
  3. Step 3: Cross multiply
    109,213.30x = 163,825.35 × 56,725.30
  4. Step 4: Simplify right side
    109,213.30x = 9,293,042,126.36
  5. Step 5: Solve for x
    x = 9,293,042,126.36/109,213.30
  6. Step 6: Final answer
    x = 85,090.75

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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.