Home / 91,899.37-137,856.75-25,339.45

Finding the Fourth Proportional to 91,899.37, 137,856.75 and 25,339.45

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Solution

The fourth proportional to 91,899.37, 137,856.75 and 25,339.45 is: 38,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,899.37 : 137,856.75 = 25,339.45 : x
  2. Step 2: Convert to fraction form
    91,899.37/137,856.75 = 25,339.45/x
  3. Step 3: Cross multiply
    91,899.37x = 137,856.75 × 25,339.45
  4. Step 4: Simplify right side
    91,899.37x = 3,493,214,223.79
  5. Step 5: Solve for x
    x = 3,493,214,223.79/91,899.37
  6. Step 6: Final answer
    x = 38,011.30

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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.