Home / 101,650.19-140,300.69-67,660.02

Finding the Fourth Proportional to 101,650.19, 140,300.69 and 67,660.02

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Solution

The fourth proportional to 101,650.19, 140,300.69 and 67,660.02 is: 93,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.19 : 140,300.69 = 67,660.02 : x
  2. Step 2: Convert to fraction form
    101,650.19/140,300.69 = 67,660.02/x
  3. Step 3: Cross multiply
    101,650.19x = 140,300.69 × 67,660.02
  4. Step 4: Simplify right side
    101,650.19x = 9,492,747,153.11
  5. Step 5: Solve for x
    x = 9,492,747,153.11/101,650.19
  6. Step 6: Final answer
    x = 93,386.42

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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.