Home / 90,155.73-135,233.73-84,675.27

Finding the Fourth Proportional to 90,155.73, 135,233.73 and 84,675.27

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Solution

The fourth proportional to 90,155.73, 135,233.73 and 84,675.27 is: 127,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,155.73 : 135,233.73 = 84,675.27 : x
  2. Step 2: Convert to fraction form
    90,155.73/135,233.73 = 84,675.27/x
  3. Step 3: Cross multiply
    90,155.73x = 135,233.73 × 84,675.27
  4. Step 4: Simplify right side
    90,155.73x = 11,450,952,600.86
  5. Step 5: Solve for x
    x = 11,450,952,600.86/90,155.73
  6. Step 6: Final answer
    x = 127,013.03

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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.