Home / 186,243.74-279,319.32-53,125.14

Finding the Fourth Proportional to 186,243.74, 279,319.32 and 53,125.14

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Solution

The fourth proportional to 186,243.74, 279,319.32 and 53,125.14 is: 79,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,243.74 : 279,319.32 = 53,125.14 : x
  2. Step 2: Convert to fraction form
    186,243.74/279,319.32 = 53,125.14/x
  3. Step 3: Cross multiply
    186,243.74x = 279,319.32 × 53,125.14
  4. Step 4: Simplify right side
    186,243.74x = 14,838,877,979.70
  5. Step 5: Solve for x
    x = 14,838,877,979.70/186,243.74
  6. Step 6: Final answer
    x = 79,674.51

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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.