Home / 140,868.05-211,283.58-69,763.01

Finding the Fourth Proportional to 140,868.05, 211,283.58 and 69,763.01

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Solution

The fourth proportional to 140,868.05, 211,283.58 and 69,763.01 is: 104,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,868.05 : 211,283.58 = 69,763.01 : x
  2. Step 2: Convert to fraction form
    140,868.05/211,283.58 = 69,763.01/x
  3. Step 3: Cross multiply
    140,868.05x = 211,283.58 × 69,763.01
  4. Step 4: Simplify right side
    140,868.05x = 14,739,778,504.38
  5. Step 5: Solve for x
    x = 14,739,778,504.38/140,868.05
  6. Step 6: Final answer
    x = 104,635.36

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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.