Home / 266,701.32-368,032.89-145,818.54

Finding the Fourth Proportional to 266,701.32, 368,032.89 and 145,818.54

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Solution

The fourth proportional to 266,701.32, 368,032.89 and 145,818.54 is: 201,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,701.32 : 368,032.89 = 145,818.54 : x
  2. Step 2: Convert to fraction form
    266,701.32/368,032.89 = 145,818.54/x
  3. Step 3: Cross multiply
    266,701.32x = 368,032.89 × 145,818.54
  4. Step 4: Simplify right side
    266,701.32x = 53,666,018,691.78
  5. Step 5: Solve for x
    x = 53,666,018,691.78/266,701.32
  6. Step 6: Final answer
    x = 201,221.42

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1.5x scale

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.