Home / 90,598.91-135,901.19-43,219.17

Finding the Fourth Proportional to 90,598.91, 135,901.19 and 43,219.17

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Solution

The fourth proportional to 90,598.91, 135,901.19 and 43,219.17 is: 64,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.91 : 135,901.19 = 43,219.17 : x
  2. Step 2: Convert to fraction form
    90,598.91/135,901.19 = 43,219.17/x
  3. Step 3: Cross multiply
    90,598.91x = 135,901.19 × 43,219.17
  4. Step 4: Simplify right side
    90,598.91x = 5,873,536,741.86
  5. Step 5: Solve for x
    x = 5,873,536,741.86/90,598.91
  6. Step 6: Final answer
    x = 64,830.11

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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.