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Finding the Fourth Proportional to 100,101.76, 150,176.70 and 40,937.40

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Solution

The fourth proportional to 100,101.76, 150,176.70 and 40,937.40 is: 61,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,101.76 : 150,176.70 = 40,937.40 : x
  2. Step 2: Convert to fraction form
    100,101.76/150,176.70 = 40,937.40/x
  3. Step 3: Cross multiply
    100,101.76x = 150,176.70 × 40,937.40
  4. Step 4: Simplify right side
    100,101.76x = 6,147,843,638.58
  5. Step 5: Solve for x
    x = 6,147,843,638.58/100,101.76
  6. Step 6: Final answer
    x = 61,415.94

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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.