Home / 90,861.05-136,217.04-40,926.17

Finding the Fourth Proportional to 90,861.05, 136,217.04 and 40,926.17

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Solution

The fourth proportional to 90,861.05, 136,217.04 and 40,926.17 is: 61,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,861.05 : 136,217.04 = 40,926.17 : x
  2. Step 2: Convert to fraction form
    90,861.05/136,217.04 = 40,926.17/x
  3. Step 3: Cross multiply
    90,861.05x = 136,217.04 × 40,926.17
  4. Step 4: Simplify right side
    90,861.05x = 5,574,841,054.85
  5. Step 5: Solve for x
    x = 5,574,841,054.85/90,861.05
  6. Step 6: Final answer
    x = 61,355.68

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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.