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Finding the Fourth Proportional to 181,445.84, 250,381.07 and 100,868.46

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Solution

The fourth proportional to 181,445.84, 250,381.07 and 100,868.46 is: 139,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445.84 : 250,381.07 = 100,868.46 : x
  2. Step 2: Convert to fraction form
    181,445.84/250,381.07 = 100,868.46/x
  3. Step 3: Cross multiply
    181,445.84x = 250,381.07 × 100,868.46
  4. Step 4: Simplify right side
    181,445.84x = 25,255,552,446.42
  5. Step 5: Solve for x
    x = 25,255,552,446.42/181,445.84
  6. Step 6: Final answer
    x = 139,190.59

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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.