Home / 109,553.96-164,231.75-42,976.21

Finding the Fourth Proportional to 109,553.96, 164,231.75 and 42,976.21

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Solution

The fourth proportional to 109,553.96, 164,231.75 and 42,976.21 is: 64,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,553.96 : 164,231.75 = 42,976.21 : x
  2. Step 2: Convert to fraction form
    109,553.96/164,231.75 = 42,976.21/x
  3. Step 3: Cross multiply
    109,553.96x = 164,231.75 × 42,976.21
  4. Step 4: Simplify right side
    109,553.96x = 7,058,057,678.55
  5. Step 5: Solve for x
    x = 7,058,057,678.55/109,553.96
  6. Step 6: Final answer
    x = 64,425.40

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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.