Home / 185,420.62-255,869.71-104,865.04

Finding the Fourth Proportional to 185,420.62, 255,869.71 and 104,865.04

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Solution

The fourth proportional to 185,420.62, 255,869.71 and 104,865.04 is: 144,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,420.62 : 255,869.71 = 104,865.04 : x
  2. Step 2: Convert to fraction form
    185,420.62/255,869.71 = 104,865.04/x
  3. Step 3: Cross multiply
    185,420.62x = 255,869.71 × 104,865.04
  4. Step 4: Simplify right side
    185,420.62x = 26,831,787,373.94
  5. Step 5: Solve for x
    x = 26,831,787,373.94/185,420.62
  6. Step 6: Final answer
    x = 144,707.68

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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.