Home / 140,870.06-211,286.58-69,765.02

Finding the Fourth Proportional to 140,870.06, 211,286.58 and 69,765.02

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Solution

The fourth proportional to 140,870.06, 211,286.58 and 69,765.02 is: 104,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,870.06 : 211,286.58 = 69,765.02 : x
  2. Step 2: Convert to fraction form
    140,870.06/211,286.58 = 69,765.02/x
  3. Step 3: Cross multiply
    140,870.06x = 211,286.58 × 69,765.02
  4. Step 4: Simplify right side
    140,870.06x = 14,740,412,479.43
  5. Step 5: Solve for x
    x = 14,740,412,479.43/140,870.06
  6. Step 6: Final answer
    x = 104,638.36

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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.