Home / 162,919.37-224,817.32-90,321.59

Finding the Fourth Proportional to 162,919.37, 224,817.32 and 90,321.59

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Solution

The fourth proportional to 162,919.37, 224,817.32 and 90,321.59 is: 124,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,919.37 : 224,817.32 = 90,321.59 : x
  2. Step 2: Convert to fraction form
    162,919.37/224,817.32 = 90,321.59/x
  3. Step 3: Cross multiply
    162,919.37x = 224,817.32 × 90,321.59
  4. Step 4: Simplify right side
    162,919.37x = 20,305,856,226.24
  5. Step 5: Solve for x
    x = 20,305,856,226.24/162,919.37
  6. Step 6: Final answer
    x = 124,637.46

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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.