Home / 186,319.71-279,129.65-144,562.59

Finding the Fourth Proportional to 186,319.71, 279,129.65 and 144,562.59

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Solution

The fourth proportional to 186,319.71, 279,129.65 and 144,562.59 is: 216,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,319.71 : 279,129.65 = 144,562.59 : x
  2. Step 2: Convert to fraction form
    186,319.71/279,129.65 = 144,562.59/x
  3. Step 3: Cross multiply
    186,319.71x = 279,129.65 × 144,562.59
  4. Step 4: Simplify right side
    186,319.71x = 40,351,704,426.98
  5. Step 5: Solve for x
    x = 40,351,704,426.98/186,319.71
  6. Step 6: Final answer
    x = 216,572.39

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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.