Home / 90,018.88-124,226.06-52,295.56

Finding the Fourth Proportional to 90,018.88, 124,226.06 and 52,295.56

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Solution

The fourth proportional to 90,018.88, 124,226.06 and 52,295.56 is: 72,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.88 : 124,226.06 = 52,295.56 : x
  2. Step 2: Convert to fraction form
    90,018.88/124,226.06 = 52,295.56/x
  3. Step 3: Cross multiply
    90,018.88x = 124,226.06 × 52,295.56
  4. Step 4: Simplify right side
    90,018.88x = 6,496,471,374.29
  5. Step 5: Solve for x
    x = 6,496,471,374.29/90,018.88
  6. Step 6: Final answer
    x = 72,167.88

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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.