Home / 90,301.36-135,398.58-36,977.44

Finding the Fourth Proportional to 90,301.36, 135,398.58 and 36,977.44

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Solution

The fourth proportional to 90,301.36, 135,398.58 and 36,977.44 is: 55,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.36 : 135,398.58 = 36,977.44 : x
  2. Step 2: Convert to fraction form
    90,301.36/135,398.58 = 36,977.44/x
  3. Step 3: Cross multiply
    90,301.36x = 135,398.58 × 36,977.44
  4. Step 4: Simplify right side
    90,301.36x = 5,006,692,868.04
  5. Step 5: Solve for x
    x = 5,006,692,868.04/90,301.36
  6. Step 6: Final answer
    x = 55,444.27

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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.