Home / 185,136.77-255,498.05-108,659.18

Finding the Fourth Proportional to 185,136.77, 255,498.05 and 108,659.18

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Solution

The fourth proportional to 185,136.77, 255,498.05 and 108,659.18 is: 149,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,136.77 : 255,498.05 = 108,659.18 : x
  2. Step 2: Convert to fraction form
    185,136.77/255,498.05 = 108,659.18/x
  3. Step 3: Cross multiply
    185,136.77x = 255,498.05 × 108,659.18
  4. Step 4: Simplify right side
    185,136.77x = 27,762,208,061.30
  5. Step 5: Solve for x
    x = 27,762,208,061.30/185,136.77
  6. Step 6: Final answer
    x = 149,955.13

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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.