Home / 134,444.70-201,667.05-90,207.90

Finding the Fourth Proportional to 134,444.70, 201,667.05 and 90,207.90

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Solution

The fourth proportional to 134,444.70, 201,667.05 and 90,207.90 is: 135,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,444.70 : 201,667.05 = 90,207.90 : x
  2. Step 2: Convert to fraction form
    134,444.70/201,667.05 = 90,207.90/x
  3. Step 3: Cross multiply
    134,444.70x = 201,667.05 × 90,207.90
  4. Step 4: Simplify right side
    134,444.70x = 18,191,961,079.70
  5. Step 5: Solve for x
    x = 18,191,961,079.70/134,444.70
  6. Step 6: Final answer
    x = 135,311.85

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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.