Home / 179,266.82-268,909.95-90,416.30

Finding the Fourth Proportional to 179,266.82, 268,909.95 and 90,416.30

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Solution

The fourth proportional to 179,266.82, 268,909.95 and 90,416.30 is: 135,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,266.82 : 268,909.95 = 90,416.30 : x
  2. Step 2: Convert to fraction form
    179,266.82/268,909.95 = 90,416.30/x
  3. Step 3: Cross multiply
    179,266.82x = 268,909.95 × 90,416.30
  4. Step 4: Simplify right side
    179,266.82x = 24,313,842,712.19
  5. Step 5: Solve for x
    x = 24,313,842,712.19/179,266.82
  6. Step 6: Final answer
    x = 135,629.35

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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.