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Finding the Fourth Proportional to 100,838.57, 151,222.59 and 29,742.35

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Solution

The fourth proportional to 100,838.57, 151,222.59 and 29,742.35 is: 44,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,838.57 : 151,222.59 = 29,742.35 : x
  2. Step 2: Convert to fraction form
    100,838.57/151,222.59 = 29,742.35/x
  3. Step 3: Cross multiply
    100,838.57x = 151,222.59 × 29,742.35
  4. Step 4: Simplify right side
    100,838.57x = 4,497,714,443.57
  5. Step 5: Solve for x
    x = 4,497,714,443.57/100,838.57
  6. Step 6: Final answer
    x = 44,603.12

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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.