Home / 181,348.62-250,256.10-100,774.08

Finding the Fourth Proportional to 181,348.62, 250,256.10 and 100,774.08

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Solution

The fourth proportional to 181,348.62, 250,256.10 and 100,774.08 is: 139,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,348.62 : 250,256.10 = 100,774.08 : x
  2. Step 2: Convert to fraction form
    181,348.62/250,256.10 = 100,774.08/x
  3. Step 3: Cross multiply
    181,348.62x = 250,256.10 × 100,774.08
  4. Step 4: Simplify right side
    181,348.62x = 25,219,328,241.89
  5. Step 5: Solve for x
    x = 25,219,328,241.89/181,348.62
  6. Step 6: Final answer
    x = 139,065.45

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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.