Home / 186,265.12-279,444.84-53,145.85

Finding the Fourth Proportional to 186,265.12, 279,444.84 and 53,145.85

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Solution

The fourth proportional to 186,265.12, 279,444.84 and 53,145.85 is: 79,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,265.12 : 279,444.84 = 53,145.85 : x
  2. Step 2: Convert to fraction form
    186,265.12/279,444.84 = 53,145.85/x
  3. Step 3: Cross multiply
    186,265.12x = 279,444.84 × 53,145.85
  4. Step 4: Simplify right side
    186,265.12x = 14,851,332,390.03
  5. Step 5: Solve for x
    x = 14,851,332,390.03/186,265.12
  6. Step 6: Final answer
    x = 79,732.22

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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.