Home / 90,553.36-135,842.44-34,399.40

Finding the Fourth Proportional to 90,553.36, 135,842.44 and 34,399.40

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Solution

The fourth proportional to 90,553.36, 135,842.44 and 34,399.40 is: 51,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,553.36 : 135,842.44 = 34,399.40 : x
  2. Step 2: Convert to fraction form
    90,553.36/135,842.44 = 34,399.40/x
  3. Step 3: Cross multiply
    90,553.36x = 135,842.44 × 34,399.40
  4. Step 4: Simplify right side
    90,553.36x = 4,672,898,430.54
  5. Step 5: Solve for x
    x = 4,672,898,430.54/90,553.36
  6. Step 6: Final answer
    x = 51,603.81

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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.