Home / 133,487.16-184,022.38-90,991.16

Finding the Fourth Proportional to 133,487.16, 184,022.38 and 90,991.16

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Solution

The fourth proportional to 133,487.16, 184,022.38 and 90,991.16 is: 125,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,487.16 : 184,022.38 = 90,991.16 : x
  2. Step 2: Convert to fraction form
    133,487.16/184,022.38 = 90,991.16/x
  3. Step 3: Cross multiply
    133,487.16x = 184,022.38 × 90,991.16
  4. Step 4: Simplify right side
    133,487.16x = 16,744,409,822.16
  5. Step 5: Solve for x
    x = 16,744,409,822.16/133,487.16
  6. Step 6: Final answer
    x = 125,438.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.