Home / 215,869.60-297,864.24-120,373.60

Finding the Fourth Proportional to 215,869.60, 297,864.24 and 120,373.60

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Solution

The fourth proportional to 215,869.60, 297,864.24 and 120,373.60 is: 166,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,869.60 : 297,864.24 = 120,373.60 : x
  2. Step 2: Convert to fraction form
    215,869.60/297,864.24 = 120,373.60/x
  3. Step 3: Cross multiply
    215,869.60x = 297,864.24 × 120,373.60
  4. Step 4: Simplify right side
    215,869.60x = 35,854,990,880.06
  5. Step 5: Solve for x
    x = 35,854,990,880.06/215,869.60
  6. Step 6: Final answer
    x = 166,095.60

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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.