Home / 189,520.80-261,537.98-104,637.24

Finding the Fourth Proportional to 189,520.80, 261,537.98 and 104,637.24

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Solution

The fourth proportional to 189,520.80, 261,537.98 and 104,637.24 is: 144,398.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,520.80 : 261,537.98 = 104,637.24 : x
  2. Step 2: Convert to fraction form
    189,520.80/261,537.98 = 104,637.24/x
  3. Step 3: Cross multiply
    189,520.80x = 261,537.98 × 104,637.24
  4. Step 4: Simplify right side
    189,520.80x = 27,366,612,382.38
  5. Step 5: Solve for x
    x = 27,366,612,382.38/189,520.80
  6. Step 6: Final answer
    x = 144,398.99

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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.