Home / 90,142.56-135,233.16-26,967.57

Finding the Fourth Proportional to 90,142.56, 135,233.16 and 26,967.57

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Solution

The fourth proportional to 90,142.56, 135,233.16 and 26,967.57 is: 40,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,142.56 : 135,233.16 = 26,967.57 : x
  2. Step 2: Convert to fraction form
    90,142.56/135,233.16 = 26,967.57/x
  3. Step 3: Cross multiply
    90,142.56x = 135,233.16 × 26,967.57
  4. Step 4: Simplify right side
    90,142.56x = 3,646,909,708.62
  5. Step 5: Solve for x
    x = 3,646,909,708.62/90,142.56
  6. Step 6: Final answer
    x = 40,457.13

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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.