Home / 136,959.24-189,061.95-83,261.41

Finding the Fourth Proportional to 136,959.24, 189,061.95 and 83,261.41

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Solution

The fourth proportional to 136,959.24, 189,061.95 and 83,261.41 is: 114,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,959.24 : 189,061.95 = 83,261.41 : x
  2. Step 2: Convert to fraction form
    136,959.24/189,061.95 = 83,261.41/x
  3. Step 3: Cross multiply
    136,959.24x = 189,061.95 × 83,261.41
  4. Step 4: Simplify right side
    136,959.24x = 15,741,564,534.35
  5. Step 5: Solve for x
    x = 15,741,564,534.35/136,959.24
  6. Step 6: Final answer
    x = 114,936.13

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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.