Home / 266,812.13-400,310.36-100,693.73

Finding the Fourth Proportional to 266,812.13, 400,310.36 and 100,693.73

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Solution

The fourth proportional to 266,812.13, 400,310.36 and 100,693.73 is: 151,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,812.13 : 400,310.36 = 100,693.73 : x
  2. Step 2: Convert to fraction form
    266,812.13/400,310.36 = 100,693.73/x
  3. Step 3: Cross multiply
    266,812.13x = 400,310.36 × 100,693.73
  4. Step 4: Simplify right side
    266,812.13x = 40,308,742,802.57
  5. Step 5: Solve for x
    x = 40,308,742,802.57/266,812.13
  6. Step 6: Final answer
    x = 151,075.38

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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.