Home / 136,962.55-189,066.52-83,264.73

Finding the Fourth Proportional to 136,962.55, 189,066.52 and 83,264.73

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Solution

The fourth proportional to 136,962.55, 189,066.52 and 83,264.73 is: 114,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,962.55 : 189,066.52 = 83,264.73 : x
  2. Step 2: Convert to fraction form
    136,962.55/189,066.52 = 83,264.73/x
  3. Step 3: Cross multiply
    136,962.55x = 189,066.52 × 83,264.73
  4. Step 4: Simplify right side
    136,962.55x = 15,742,572,739.84
  5. Step 5: Solve for x
    x = 15,742,572,739.84/136,962.55
  6. Step 6: Final answer
    x = 114,940.71

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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.