Home / 109,053.32-163,622.06-42,540.68

Finding the Fourth Proportional to 109,053.32, 163,622.06 and 42,540.68

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Solution

The fourth proportional to 109,053.32, 163,622.06 and 42,540.68 is: 63,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,053.32 : 163,622.06 = 42,540.68 : x
  2. Step 2: Convert to fraction form
    109,053.32/163,622.06 = 42,540.68/x
  3. Step 3: Cross multiply
    109,053.32x = 163,622.06 × 42,540.68
  4. Step 4: Simplify right side
    109,053.32x = 6,960,593,695.40
  5. Step 5: Solve for x
    x = 6,960,593,695.40/109,053.32
  6. Step 6: Final answer
    x = 63,827.44

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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.