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Finding the Fourth Proportional to 181,614.40, 272,421.60 and 102,882.40

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Solution

The fourth proportional to 181,614.40, 272,421.60 and 102,882.40 is: 154,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,614.40 : 272,421.60 = 102,882.40 : x
  2. Step 2: Convert to fraction form
    181,614.40/272,421.60 = 102,882.40/x
  3. Step 3: Cross multiply
    181,614.40x = 272,421.60 × 102,882.40
  4. Step 4: Simplify right side
    181,614.40x = 28,027,388,019.84
  5. Step 5: Solve for x
    x = 28,027,388,019.84/181,614.40
  6. Step 6: Final answer
    x = 154,323.60

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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.