Home / 103,001.85-154,262.88-100,164.13

Finding the Fourth Proportional to 103,001.85, 154,262.88 and 100,164.13

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Solution

The fourth proportional to 103,001.85, 154,262.88 and 100,164.13 is: 150,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,001.85 : 154,262.88 = 100,164.13 : x
  2. Step 2: Convert to fraction form
    103,001.85/154,262.88 = 100,164.13/x
  3. Step 3: Cross multiply
    103,001.85x = 154,262.88 × 100,164.13
  4. Step 4: Simplify right side
    103,001.85x = 15,451,606,780.84
  5. Step 5: Solve for x
    x = 15,451,606,780.84/103,001.85
  6. Step 6: Final answer
    x = 150,012.91

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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.