Home / 107,392.12-148,134.12-69,202.24

Finding the Fourth Proportional to 107,392.12, 148,134.12 and 69,202.24

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Solution

The fourth proportional to 107,392.12, 148,134.12 and 69,202.24 is: 95,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,392.12 : 148,134.12 = 69,202.24 : x
  2. Step 2: Convert to fraction form
    107,392.12/148,134.12 = 69,202.24/x
  3. Step 3: Cross multiply
    107,392.12x = 148,134.12 × 69,202.24
  4. Step 4: Simplify right side
    107,392.12x = 10,251,212,924.43
  5. Step 5: Solve for x
    x = 10,251,212,924.43/107,392.12
  6. Step 6: Final answer
    x = 95,455.91

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1.5x scale

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.