Home / 90,348.46-135,410.24-58,242.87

Finding the Fourth Proportional to 90,348.46, 135,410.24 and 58,242.87

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Solution

The fourth proportional to 90,348.46, 135,410.24 and 58,242.87 is: 87,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348.46 : 135,410.24 = 58,242.87 : x
  2. Step 2: Convert to fraction form
    90,348.46/135,410.24 = 58,242.87/x
  3. Step 3: Cross multiply
    90,348.46x = 135,410.24 × 58,242.87
  4. Step 4: Simplify right side
    90,348.46x = 7,886,680,713.77
  5. Step 5: Solve for x
    x = 7,886,680,713.77/90,348.46
  6. Step 6: Final answer
    x = 87,291.81

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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.