Home / 109,415.82-163,657.17-67,192.14

Finding the Fourth Proportional to 109,415.82, 163,657.17 and 67,192.14

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Solution

The fourth proportional to 109,415.82, 163,657.17 and 67,192.14 is: 100,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,415.82 : 163,657.17 = 67,192.14 : x
  2. Step 2: Convert to fraction form
    109,415.82/163,657.17 = 67,192.14/x
  3. Step 3: Cross multiply
    109,415.82x = 163,657.17 × 67,192.14
  4. Step 4: Simplify right side
    109,415.82x = 10,996,475,478.64
  5. Step 5: Solve for x
    x = 10,996,475,478.64/109,415.82
  6. Step 6: Final answer
    x = 100,501.70

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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.