Home / 100,384.83-150,376.45-60,381.72

Finding the Fourth Proportional to 100,384.83, 150,376.45 and 60,381.72

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Solution

The fourth proportional to 100,384.83, 150,376.45 and 60,381.72 is: 90,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,384.83 : 150,376.45 = 60,381.72 : x
  2. Step 2: Convert to fraction form
    100,384.83/150,376.45 = 60,381.72/x
  3. Step 3: Cross multiply
    100,384.83x = 150,376.45 × 60,381.72
  4. Step 4: Simplify right side
    100,384.83x = 9,079,988,698.49
  5. Step 5: Solve for x
    x = 9,079,988,698.49/100,384.83
  6. Step 6: Final answer
    x = 90,451.80

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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.