Home / 215,946.72-323,936.28-97,684.56

Finding the Fourth Proportional to 215,946.72, 323,936.28 and 97,684.56

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Solution

The fourth proportional to 215,946.72, 323,936.28 and 97,684.56 is: 146,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,946.72 : 323,936.28 = 97,684.56 : x
  2. Step 2: Convert to fraction form
    215,946.72/323,936.28 = 97,684.56/x
  3. Step 3: Cross multiply
    215,946.72x = 323,936.28 × 97,684.56
  4. Step 4: Simplify right side
    215,946.72x = 31,643,572,979.84
  5. Step 5: Solve for x
    x = 31,643,572,979.84/215,946.72
  6. Step 6: Final answer
    x = 146,534.17

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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.