Home / 181,621.04-250,633.12-105,143.37

Finding the Fourth Proportional to 181,621.04, 250,633.12 and 105,143.37

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Solution

The fourth proportional to 181,621.04, 250,633.12 and 105,143.37 is: 145,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,621.04 : 250,633.12 = 105,143.37 : x
  2. Step 2: Convert to fraction form
    181,621.04/250,633.12 = 105,143.37/x
  3. Step 3: Cross multiply
    181,621.04x = 250,633.12 × 105,143.37
  4. Step 4: Simplify right side
    181,621.04x = 26,352,409,864.83
  5. Step 5: Solve for x
    x = 26,352,409,864.83/181,621.04
  6. Step 6: Final answer
    x = 145,095.58

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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.