Home / 136,332.97-188,145.71-75,907.45

Finding the Fourth Proportional to 136,332.97, 188,145.71 and 75,907.45

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Solution

The fourth proportional to 136,332.97, 188,145.71 and 75,907.45 is: 104,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,332.97 : 188,145.71 = 75,907.45 : x
  2. Step 2: Convert to fraction form
    136,332.97/188,145.71 = 75,907.45/x
  3. Step 3: Cross multiply
    136,332.97x = 188,145.71 × 75,907.45
  4. Step 4: Simplify right side
    136,332.97x = 14,281,661,957.49
  5. Step 5: Solve for x
    x = 14,281,661,957.49/136,332.97
  6. Step 6: Final answer
    x = 104,755.74

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1.5x scale

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.