Home / 186,387.47-279,581.20-46,146.09

Finding the Fourth Proportional to 186,387.47, 279,581.20 and 46,146.09

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Solution

The fourth proportional to 186,387.47, 279,581.20 and 46,146.09 is: 69,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,387.47 : 279,581.20 = 46,146.09 : x
  2. Step 2: Convert to fraction form
    186,387.47/279,581.20 = 46,146.09/x
  3. Step 3: Cross multiply
    186,387.47x = 279,581.20 × 46,146.09
  4. Step 4: Simplify right side
    186,387.47x = 12,901,580,410.14
  5. Step 5: Solve for x
    x = 12,901,580,410.14/186,387.47
  6. Step 6: Final answer
    x = 69,219.14

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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.