Home / 215,037.60-322,297.20-109,802.40

Finding the Fourth Proportional to 215,037.60, 322,297.20 and 109,802.40

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Solution

The fourth proportional to 215,037.60, 322,297.20 and 109,802.40 is: 164,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,037.60 : 322,297.20 = 109,802.40 : x
  2. Step 2: Convert to fraction form
    215,037.60/322,297.20 = 109,802.40/x
  3. Step 3: Cross multiply
    215,037.60x = 322,297.20 × 109,802.40
  4. Step 4: Simplify right side
    215,037.60x = 35,389,006,073.28
  5. Step 5: Solve for x
    x = 35,389,006,073.28/215,037.60
  6. Step 6: Final answer
    x = 164,571.25

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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.