Home / 136,292.91-188,090.39-75,867.40

Finding the Fourth Proportional to 136,292.91, 188,090.39 and 75,867.40

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Solution

The fourth proportional to 136,292.91, 188,090.39 and 75,867.40 is: 104,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.91 : 188,090.39 = 75,867.40 : x
  2. Step 2: Convert to fraction form
    136,292.91/188,090.39 = 75,867.40/x
  3. Step 3: Cross multiply
    136,292.91x = 188,090.39 × 75,867.40
  4. Step 4: Simplify right side
    136,292.91x = 14,269,928,854.29
  5. Step 5: Solve for x
    x = 14,269,928,854.29/136,292.91
  6. Step 6: Final answer
    x = 104,700.45

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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.