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Finding the Fourth Proportional to 181,200.84, 250,068.69 and 100,628.34

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Solution

The fourth proportional to 181,200.84, 250,068.69 and 100,628.34 is: 138,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,200.84 : 250,068.69 = 100,628.34 : x
  2. Step 2: Convert to fraction form
    181,200.84/250,068.69 = 100,628.34/x
  3. Step 3: Cross multiply
    181,200.84x = 250,068.69 × 100,628.34
  4. Step 4: Simplify right side
    181,200.84x = 25,163,997,160.67
  5. Step 5: Solve for x
    x = 25,163,997,160.67/181,200.84
  6. Step 6: Final answer
    x = 138,873.51

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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.