Home / 140,703.51-211,001.41-69,601.74

Finding the Fourth Proportional to 140,703.51, 211,001.41 and 69,601.74

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Solution

The fourth proportional to 140,703.51, 211,001.41 and 69,601.74 is: 104,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.51 : 211,001.41 = 69,601.74 : x
  2. Step 2: Convert to fraction form
    140,703.51/211,001.41 = 69,601.74/x
  3. Step 3: Cross multiply
    140,703.51x = 211,001.41 × 69,601.74
  4. Step 4: Simplify right side
    140,703.51x = 14,686,065,278.45
  5. Step 5: Solve for x
    x = 14,686,065,278.45/140,703.51
  6. Step 6: Final answer
    x = 104,375.97

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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.