Home / 266,903.04-400,398.30-126,585.12

Finding the Fourth Proportional to 266,903.04, 400,398.30 and 126,585.12

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Solution

The fourth proportional to 266,903.04, 400,398.30 and 126,585.12 is: 189,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,903.04 : 400,398.30 = 126,585.12 : x
  2. Step 2: Convert to fraction form
    266,903.04/400,398.30 = 126,585.12/x
  3. Step 3: Cross multiply
    266,903.04x = 400,398.30 × 126,585.12
  4. Step 4: Simplify right side
    266,903.04x = 50,684,466,853.30
  5. Step 5: Solve for x
    x = 50,684,466,853.30/266,903.04
  6. Step 6: Final answer
    x = 189,898.42

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1.5x scale

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.