Home / 112,530.72-155,291.04-62,228.64

Finding the Fourth Proportional to 112,530.72, 155,291.04 and 62,228.64

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Solution

The fourth proportional to 112,530.72, 155,291.04 and 62,228.64 is: 85,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,530.72 : 155,291.04 = 62,228.64 : x
  2. Step 2: Convert to fraction form
    112,530.72/155,291.04 = 62,228.64/x
  3. Step 3: Cross multiply
    112,530.72x = 155,291.04 × 62,228.64
  4. Step 4: Simplify right side
    112,530.72x = 9,663,550,223.39
  5. Step 5: Solve for x
    x = 9,663,550,223.39/112,530.72
  6. Step 6: Final answer
    x = 85,874.77

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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.