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Finding the Fourth Proportional to 90,846.34, 125,260.68 and 62,179.80

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Solution

The fourth proportional to 90,846.34, 125,260.68 and 62,179.80 is: 85,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.34 : 125,260.68 = 62,179.80 : x
  2. Step 2: Convert to fraction form
    90,846.34/125,260.68 = 62,179.80/x
  3. Step 3: Cross multiply
    90,846.34x = 125,260.68 × 62,179.80
  4. Step 4: Simplify right side
    90,846.34x = 7,788,684,030.26
  5. Step 5: Solve for x
    x = 7,788,684,030.26/90,846.34
  6. Step 6: Final answer
    x = 85,734.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.