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Finding the Fourth Proportional to 181,649.49, 250,746.04 and 136,458.55

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Solution

The fourth proportional to 181,649.49, 250,746.04 and 136,458.55 is: 188,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,649.49 : 250,746.04 = 136,458.55 : x
  2. Step 2: Convert to fraction form
    181,649.49/250,746.04 = 136,458.55/x
  3. Step 3: Cross multiply
    181,649.49x = 250,746.04 × 136,458.55
  4. Step 4: Simplify right side
    181,649.49x = 34,216,441,007.32
  5. Step 5: Solve for x
    x = 34,216,441,007.32/181,649.49
  6. Step 6: Final answer
    x = 188,365.20

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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.