Home / 106,411.20-159,398.10-73,168.80

Finding the Fourth Proportional to 106,411.20, 159,398.10 and 73,168.80

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Solution

The fourth proportional to 106,411.20, 159,398.10 and 73,168.80 is: 109,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.20 : 159,398.10 = 73,168.80 : x
  2. Step 2: Convert to fraction form
    106,411.20/159,398.10 = 73,168.80/x
  3. Step 3: Cross multiply
    106,411.20x = 159,398.10 × 73,168.80
  4. Step 4: Simplify right side
    106,411.20x = 11,662,967,699.28
  5. Step 5: Solve for x
    x = 11,662,967,699.28/106,411.20
  6. Step 6: Final answer
    x = 109,602.82

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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.