Home / 119,529.16-179,599.74-90,223

Finding the Fourth Proportional to 119,529.16, 179,599.74 and 90,223

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Solution

The fourth proportional to 119,529.16, 179,599.74 and 90,223 is: 135,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,529.16 : 179,599.74 = 90,223 : x
  2. Step 2: Convert to fraction form
    119,529.16/179,599.74 = 90,223/x
  3. Step 3: Cross multiply
    119,529.16x = 179,599.74 × 90,223
  4. Step 4: Simplify right side
    119,529.16x = 16,204,027,342.02
  5. Step 5: Solve for x
    x = 16,204,027,342.02/119,529.16
  6. Step 6: Final answer
    x = 135,565.47

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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.