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Finding the Fourth Proportional to 181,339.68, 250,240.08 and 100,772.64

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Solution

The fourth proportional to 181,339.68, 250,240.08 and 100,772.64 is: 139,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,339.68 : 250,240.08 = 100,772.64 : x
  2. Step 2: Convert to fraction form
    181,339.68/250,240.08 = 100,772.64/x
  3. Step 3: Cross multiply
    181,339.68x = 250,240.08 × 100,772.64
  4. Step 4: Simplify right side
    181,339.68x = 25,217,353,495.41
  5. Step 5: Solve for x
    x = 25,217,353,495.41/181,339.68
  6. Step 6: Final answer
    x = 139,061.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.