Home / 109,186.42-150,759.40-107,442.62

Finding the Fourth Proportional to 109,186.42, 150,759.40 and 107,442.62

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Solution

The fourth proportional to 109,186.42, 150,759.40 and 107,442.62 is: 148,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,186.42 : 150,759.40 = 107,442.62 : x
  2. Step 2: Convert to fraction form
    109,186.42/150,759.40 = 107,442.62/x
  3. Step 3: Cross multiply
    109,186.42x = 150,759.40 × 107,442.62
  4. Step 4: Simplify right side
    109,186.42x = 16,197,984,925.63
  5. Step 5: Solve for x
    x = 16,197,984,925.63/109,186.42
  6. Step 6: Final answer
    x = 148,351.64

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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.