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Finding the Fourth Proportional to 100,001.40, 150,003.70 and 26,129.40

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Solution

The fourth proportional to 100,001.40, 150,003.70 and 26,129.40 is: 39,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.40 : 150,003.70 = 26,129.40 : x
  2. Step 2: Convert to fraction form
    100,001.40/150,003.70 = 26,129.40/x
  3. Step 3: Cross multiply
    100,001.40x = 150,003.70 × 26,129.40
  4. Step 4: Simplify right side
    100,001.40x = 3,919,506,678.78
  5. Step 5: Solve for x
    x = 3,919,506,678.78/100,001.40
  6. Step 6: Final answer
    x = 39,194.52

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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.