Home / 154,979.40-232,469.10-135,296.40

Finding the Fourth Proportional to 154,979.40, 232,469.10 and 135,296.40

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Solution

The fourth proportional to 154,979.40, 232,469.10 and 135,296.40 is: 202,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,979.40 : 232,469.10 = 135,296.40 : x
  2. Step 2: Convert to fraction form
    154,979.40/232,469.10 = 135,296.40/x
  3. Step 3: Cross multiply
    154,979.40x = 232,469.10 × 135,296.40
  4. Step 4: Simplify right side
    154,979.40x = 31,452,232,341.24
  5. Step 5: Solve for x
    x = 31,452,232,341.24/154,979.40
  6. Step 6: Final answer
    x = 202,944.60

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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.