Home / 186,425.28-279,404.40-146,826

Finding the Fourth Proportional to 186,425.28, 279,404.40 and 146,826

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Solution

The fourth proportional to 186,425.28, 279,404.40 and 146,826 is: 220,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,425.28 : 279,404.40 = 146,826 : x
  2. Step 2: Convert to fraction form
    186,425.28/279,404.40 = 146,826/x
  3. Step 3: Cross multiply
    186,425.28x = 279,404.40 × 146,826
  4. Step 4: Simplify right side
    186,425.28x = 41,023,830,434.40
  5. Step 5: Solve for x
    x = 41,023,830,434.40/186,425.28
  6. Step 6: Final answer
    x = 220,055.08

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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.