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Finding the Fourth Proportional to 181,486.35, 250,450.29 and 100,909.08

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Solution

The fourth proportional to 181,486.35, 250,450.29 and 100,909.08 is: 139,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,486.35 : 250,450.29 = 100,909.08 : x
  2. Step 2: Convert to fraction form
    181,486.35/250,450.29 = 100,909.08/x
  3. Step 3: Cross multiply
    181,486.35x = 250,450.29 × 100,909.08
  4. Step 4: Simplify right side
    181,486.35x = 25,272,708,349.63
  5. Step 5: Solve for x
    x = 25,272,708,349.63/181,486.35
  6. Step 6: Final answer
    x = 139,254.04

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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.