Home / 136,871.28-205,371.90-94,816.08

Finding the Fourth Proportional to 136,871.28, 205,371.90 and 94,816.08

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Solution

The fourth proportional to 136,871.28, 205,371.90 and 94,816.08 is: 142,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,871.28 : 205,371.90 = 94,816.08 : x
  2. Step 2: Convert to fraction form
    136,871.28/205,371.90 = 94,816.08/x
  3. Step 3: Cross multiply
    136,871.28x = 205,371.90 × 94,816.08
  4. Step 4: Simplify right side
    136,871.28x = 19,472,558,500.15
  5. Step 5: Solve for x
    x = 19,472,558,500.15/136,871.28
  6. Step 6: Final answer
    x = 142,269.13

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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.