Home / 90,641.07-135,961.67-34,468.22

Finding the Fourth Proportional to 90,641.07, 135,961.67 and 34,468.22

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Solution

The fourth proportional to 90,641.07, 135,961.67 and 34,468.22 is: 51,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641.07 : 135,961.67 = 34,468.22 : x
  2. Step 2: Convert to fraction form
    90,641.07/135,961.67 = 34,468.22/x
  3. Step 3: Cross multiply
    90,641.07x = 135,961.67 × 34,468.22
  4. Step 4: Simplify right side
    90,641.07x = 4,686,355,900.98
  5. Step 5: Solve for x
    x = 4,686,355,900.98/90,641.07
  6. Step 6: Final answer
    x = 51,702.35

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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.