Home / 101,744.37-140,390.10-67,803.51

Finding the Fourth Proportional to 101,744.37, 140,390.10 and 67,803.51

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Solution

The fourth proportional to 101,744.37, 140,390.10 and 67,803.51 is: 93,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,744.37 : 140,390.10 = 67,803.51 : x
  2. Step 2: Convert to fraction form
    101,744.37/140,390.10 = 67,803.51/x
  3. Step 3: Cross multiply
    101,744.37x = 140,390.10 × 67,803.51
  4. Step 4: Simplify right side
    101,744.37x = 9,518,941,549.25
  5. Step 5: Solve for x
    x = 9,518,941,549.25/101,744.37
  6. Step 6: Final answer
    x = 93,557.43

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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.