Home / 100,319.60-150,427.56-50,345.84

Finding the Fourth Proportional to 100,319.60, 150,427.56 and 50,345.84

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Solution

The fourth proportional to 100,319.60, 150,427.56 and 50,345.84 is: 75,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,319.60 : 150,427.56 = 50,345.84 : x
  2. Step 2: Convert to fraction form
    100,319.60/150,427.56 = 50,345.84/x
  3. Step 3: Cross multiply
    100,319.60x = 150,427.56 × 50,345.84
  4. Step 4: Simplify right side
    100,319.60x = 7,573,401,867.35
  5. Step 5: Solve for x
    x = 7,573,401,867.35/100,319.60
  6. Step 6: Final answer
    x = 75,492.74

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1.5x scale

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.