Home / 90,892.20-136,313.34-57,562.28

Finding the Fourth Proportional to 90,892.20, 136,313.34 and 57,562.28

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Solution

The fourth proportional to 90,892.20, 136,313.34 and 57,562.28 is: 86,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,892.20 : 136,313.34 = 57,562.28 : x
  2. Step 2: Convert to fraction form
    90,892.20/136,313.34 = 57,562.28/x
  3. Step 3: Cross multiply
    90,892.20x = 136,313.34 × 57,562.28
  4. Step 4: Simplify right side
    90,892.20x = 7,846,506,644.82
  5. Step 5: Solve for x
    x = 7,846,506,644.82/90,892.20
  6. Step 6: Final answer
    x = 86,327.61

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1.5x scale

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.