Home / 163,190.49-225,219.06-109,587.12

Finding the Fourth Proportional to 163,190.49, 225,219.06 and 109,587.12

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Solution

The fourth proportional to 163,190.49, 225,219.06 and 109,587.12 is: 151,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,190.49 : 225,219.06 = 109,587.12 : x
  2. Step 2: Convert to fraction form
    163,190.49/225,219.06 = 109,587.12/x
  3. Step 3: Cross multiply
    163,190.49x = 225,219.06 × 109,587.12
  4. Step 4: Simplify right side
    163,190.49x = 24,681,108,154.51
  5. Step 5: Solve for x
    x = 24,681,108,154.51/163,190.49
  6. Step 6: Final answer
    x = 151,241.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.