Home / 90,503.10-135,614.22-34,313

Finding the Fourth Proportional to 90,503.10, 135,614.22 and 34,313

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Solution

The fourth proportional to 90,503.10, 135,614.22 and 34,313 is: 51,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.10 : 135,614.22 = 34,313 : x
  2. Step 2: Convert to fraction form
    90,503.10/135,614.22 = 34,313/x
  3. Step 3: Cross multiply
    90,503.10x = 135,614.22 × 34,313
  4. Step 4: Simplify right side
    90,503.10x = 4,653,330,730.86
  5. Step 5: Solve for x
    x = 4,653,330,730.86/90,503.10
  6. Step 6: Final answer
    x = 51,416.26

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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.