Home / 186,146.28-279,053.40-67,734.84

Finding the Fourth Proportional to 186,146.28, 279,053.40 and 67,734.84

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Solution

The fourth proportional to 186,146.28, 279,053.40 and 67,734.84 is: 101,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,146.28 : 279,053.40 = 67,734.84 : x
  2. Step 2: Convert to fraction form
    186,146.28/279,053.40 = 67,734.84/x
  3. Step 3: Cross multiply
    186,146.28x = 279,053.40 × 67,734.84
  4. Step 4: Simplify right side
    186,146.28x = 18,901,637,400.46
  5. Step 5: Solve for x
    x = 18,901,637,400.46/186,146.28
  6. Step 6: Final answer
    x = 101,541.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.