Home / 189,644.04-261,705.06-104,760.36

Finding the Fourth Proportional to 189,644.04, 261,705.06 and 104,760.36

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Solution

The fourth proportional to 189,644.04, 261,705.06 and 104,760.36 is: 144,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,644.04 : 261,705.06 = 104,760.36 : x
  2. Step 2: Convert to fraction form
    189,644.04/261,705.06 = 104,760.36/x
  3. Step 3: Cross multiply
    189,644.04x = 261,705.06 × 104,760.36
  4. Step 4: Simplify right side
    189,644.04x = 27,416,316,299.42
  5. Step 5: Solve for x
    x = 27,416,316,299.42/189,644.04
  6. Step 6: Final answer
    x = 144,567.24

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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.