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Finding the Fourth Proportional to 181,645.60, 272,176.80 and 119,243.20

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Solution

The fourth proportional to 181,645.60, 272,176.80 and 119,243.20 is: 178,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,645.60 : 272,176.80 = 119,243.20 : x
  2. Step 2: Convert to fraction form
    181,645.60/272,176.80 = 119,243.20/x
  3. Step 3: Cross multiply
    181,645.60x = 272,176.80 × 119,243.20
  4. Step 4: Simplify right side
    181,645.60x = 32,455,232,597.76
  5. Step 5: Solve for x
    x = 32,455,232,597.76/181,645.60
  6. Step 6: Final answer
    x = 178,673.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.