Home / 102,147.03-140,809.26-80,599.62

Finding the Fourth Proportional to 102,147.03, 140,809.26 and 80,599.62

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Solution

The fourth proportional to 102,147.03, 140,809.26 and 80,599.62 is: 111,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,147.03 : 140,809.26 = 80,599.62 : x
  2. Step 2: Convert to fraction form
    102,147.03/140,809.26 = 80,599.62/x
  3. Step 3: Cross multiply
    102,147.03x = 140,809.26 × 80,599.62
  4. Step 4: Simplify right side
    102,147.03x = 11,349,172,848.48
  5. Step 5: Solve for x
    x = 11,349,172,848.48/102,147.03
  6. Step 6: Final answer
    x = 111,106.24

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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.