Home / 186,443.28-279,431.40-146,844

Finding the Fourth Proportional to 186,443.28, 279,431.40 and 146,844

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Solution

The fourth proportional to 186,443.28, 279,431.40 and 146,844 is: 220,082.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,443.28 : 279,431.40 = 146,844 : x
  2. Step 2: Convert to fraction form
    186,443.28/279,431.40 = 146,844/x
  3. Step 3: Cross multiply
    186,443.28x = 279,431.40 × 146,844
  4. Step 4: Simplify right side
    186,443.28x = 41,032,824,501.60
  5. Step 5: Solve for x
    x = 41,032,824,501.60/186,443.28
  6. Step 6: Final answer
    x = 220,082.08

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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.