Home / 136,477.15-188,344.24-76,047.82

Finding the Fourth Proportional to 136,477.15, 188,344.24 and 76,047.82

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Solution

The fourth proportional to 136,477.15, 188,344.24 and 76,047.82 is: 104,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,477.15 : 188,344.24 = 76,047.82 : x
  2. Step 2: Convert to fraction form
    136,477.15/188,344.24 = 76,047.82/x
  3. Step 3: Cross multiply
    136,477.15x = 188,344.24 × 76,047.82
  4. Step 4: Simplify right side
    136,477.15x = 14,323,168,200.58
  5. Step 5: Solve for x
    x = 14,323,168,200.58/136,477.15
  6. Step 6: Final answer
    x = 104,949.21

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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.