Home / 185,129.23-255,479.13-104,557.72

Finding the Fourth Proportional to 185,129.23, 255,479.13 and 104,557.72

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Solution

The fourth proportional to 185,129.23, 255,479.13 and 104,557.72 is: 144,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,129.23 : 255,479.13 = 104,557.72 : x
  2. Step 2: Convert to fraction form
    185,129.23/255,479.13 = 104,557.72/x
  3. Step 3: Cross multiply
    185,129.23x = 255,479.13 × 104,557.72
  4. Step 4: Simplify right side
    185,129.23x = 26,712,315,340.38
  5. Step 5: Solve for x
    x = 26,712,315,340.38/185,129.23
  6. Step 6: Final answer
    x = 144,290.10

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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.