Home / 189,455.48-261,429.92-104,567.04

Finding the Fourth Proportional to 189,455.48, 261,429.92 and 104,567.04

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Solution

The fourth proportional to 189,455.48, 261,429.92 and 104,567.04 is: 144,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,455.48 : 261,429.92 = 104,567.04 : x
  2. Step 2: Convert to fraction form
    189,455.48/261,429.92 = 104,567.04/x
  3. Step 3: Cross multiply
    189,455.48x = 261,429.92 × 104,567.04
  4. Step 4: Simplify right side
    189,455.48x = 27,336,952,901.84
  5. Step 5: Solve for x
    x = 27,336,952,901.84/189,455.48
  6. Step 6: Final answer
    x = 144,292.23

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1.5x scale

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.