Home / 266,787.10-368,161.03-145,928.01

Finding the Fourth Proportional to 266,787.10, 368,161.03 and 145,928.01

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Solution

The fourth proportional to 266,787.10, 368,161.03 and 145,928.01 is: 201,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,787.10 : 368,161.03 = 145,928.01 : x
  2. Step 2: Convert to fraction form
    266,787.10/368,161.03 = 145,928.01/x
  3. Step 3: Cross multiply
    266,787.10x = 368,161.03 × 145,928.01
  4. Step 4: Simplify right side
    266,787.10x = 53,725,008,030.46
  5. Step 5: Solve for x
    x = 53,725,008,030.46/266,787.10
  6. Step 6: Final answer
    x = 201,377.83

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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.