Home / 266,777.10-368,149.71-145,920.74

Finding the Fourth Proportional to 266,777.10, 368,149.71 and 145,920.74

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Solution

The fourth proportional to 266,777.10, 368,149.71 and 145,920.74 is: 201,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,777.10 : 368,149.71 = 145,920.74 : x
  2. Step 2: Convert to fraction form
    266,777.10/368,149.71 = 145,920.74/x
  3. Step 3: Cross multiply
    266,777.10x = 368,149.71 × 145,920.74
  4. Step 4: Simplify right side
    266,777.10x = 53,720,679,034.36
  5. Step 5: Solve for x
    x = 53,720,679,034.36/266,777.10
  6. Step 6: Final answer
    x = 201,369.15

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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.