Home / 266,701.31-368,032.91-145,818.53

Finding the Fourth Proportional to 266,701.31, 368,032.91 and 145,818.53

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Solution

The fourth proportional to 266,701.31, 368,032.91 and 145,818.53 is: 201,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,701.31 : 368,032.91 = 145,818.53 : x
  2. Step 2: Convert to fraction form
    266,701.31/368,032.91 = 145,818.53/x
  3. Step 3: Cross multiply
    266,701.31x = 368,032.91 × 145,818.53
  4. Step 4: Simplify right side
    266,701.31x = 53,666,015,358.57
  5. Step 5: Solve for x
    x = 53,666,015,358.57/266,701.31
  6. Step 6: Final answer
    x = 201,221.42

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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.