Home / 101,434.91-140,095.04-69,113.48

Finding the Fourth Proportional to 101,434.91, 140,095.04 and 69,113.48

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Solution

The fourth proportional to 101,434.91, 140,095.04 and 69,113.48 is: 95,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,434.91 : 140,095.04 = 69,113.48 : x
  2. Step 2: Convert to fraction form
    101,434.91/140,095.04 = 69,113.48/x
  3. Step 3: Cross multiply
    101,434.91x = 140,095.04 × 69,113.48
  4. Step 4: Simplify right side
    101,434.91x = 9,682,454,699.10
  5. Step 5: Solve for x
    x = 9,682,454,699.10/101,434.91
  6. Step 6: Final answer
    x = 95,454.86

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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.