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Finding the Fourth Proportional to 181,485, 272,477.79 and 125,191.62

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Solution

The fourth proportional to 181,485, 272,477.79 and 125,191.62 is: 187,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,485 : 272,477.79 = 125,191.62 : x
  2. Step 2: Convert to fraction form
    181,485/272,477.79 = 125,191.62/x
  3. Step 3: Cross multiply
    181,485x = 272,477.79 × 125,191.62
  4. Step 4: Simplify right side
    181,485x = 34,111,935,944.12
  5. Step 5: Solve for x
    x = 34,111,935,944.12/181,485
  6. Step 6: Final answer
    x = 187,960.08

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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.