Home / 90,242.42-135,318.06-52,813.74

Finding the Fourth Proportional to 90,242.42, 135,318.06 and 52,813.74

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Solution

The fourth proportional to 90,242.42, 135,318.06 and 52,813.74 is: 79,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,242.42 : 135,318.06 = 52,813.74 : x
  2. Step 2: Convert to fraction form
    90,242.42/135,318.06 = 52,813.74/x
  3. Step 3: Cross multiply
    90,242.42x = 135,318.06 × 52,813.74
  4. Step 4: Simplify right side
    90,242.42x = 7,146,652,838.14
  5. Step 5: Solve for x
    x = 7,146,652,838.14/90,242.42
  6. Step 6: Final answer
    x = 79,193.94

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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.