Home / 101,688.11-152,539.97-34,220.48

Finding the Fourth Proportional to 101,688.11, 152,539.97 and 34,220.48

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Solution

The fourth proportional to 101,688.11, 152,539.97 and 34,220.48 is: 51,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,688.11 : 152,539.97 = 34,220.48 : x
  2. Step 2: Convert to fraction form
    101,688.11/152,539.97 = 34,220.48/x
  3. Step 3: Cross multiply
    101,688.11x = 152,539.97 × 34,220.48
  4. Step 4: Simplify right side
    101,688.11x = 5,219,990,630.81
  5. Step 5: Solve for x
    x = 5,219,990,630.81/101,688.11
  6. Step 6: Final answer
    x = 51,333.34

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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.