Home / 215,463.81-323,087.54-125,535.63

Finding the Fourth Proportional to 215,463.81, 323,087.54 and 125,535.63

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Solution

The fourth proportional to 215,463.81, 323,087.54 and 125,535.63 is: 188,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,463.81 : 323,087.54 = 125,535.63 : x
  2. Step 2: Convert to fraction form
    215,463.81/323,087.54 = 125,535.63/x
  3. Step 3: Cross multiply
    215,463.81x = 323,087.54 × 125,535.63
  4. Step 4: Simplify right side
    215,463.81x = 40,558,997,251.37
  5. Step 5: Solve for x
    x = 40,558,997,251.37/215,463.81
  6. Step 6: Final answer
    x = 188,240.42

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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.