Home / 252,517.47-378,706.11-70,106.37

Finding the Fourth Proportional to 252,517.47, 378,706.11 and 70,106.37

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Solution

The fourth proportional to 252,517.47, 378,706.11 and 70,106.37 is: 105,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,517.47 : 378,706.11 = 70,106.37 : x
  2. Step 2: Convert to fraction form
    252,517.47/378,706.11 = 70,106.37/x
  3. Step 3: Cross multiply
    252,517.47x = 378,706.11 × 70,106.37
  4. Step 4: Simplify right side
    252,517.47x = 26,549,710,668.92
  5. Step 5: Solve for x
    x = 26,549,710,668.92/252,517.47
  6. Step 6: Final answer
    x = 105,140.09

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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.