Home / 90,018.46-124,236.03-54,226.54

Finding the Fourth Proportional to 90,018.46, 124,236.03 and 54,226.54

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Solution

The fourth proportional to 90,018.46, 124,236.03 and 54,226.54 is: 74,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.46 : 124,236.03 = 54,226.54 : x
  2. Step 2: Convert to fraction form
    90,018.46/124,236.03 = 54,226.54/x
  3. Step 3: Cross multiply
    90,018.46x = 124,236.03 × 54,226.54
  4. Step 4: Simplify right side
    90,018.46x = 6,736,890,050.24
  5. Step 5: Solve for x
    x = 6,736,890,050.24/90,018.46
  6. Step 6: Final answer
    x = 74,838.98

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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.