Home / 186,048.79-278,722.01-109,920.18

Finding the Fourth Proportional to 186,048.79, 278,722.01 and 109,920.18

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Solution

The fourth proportional to 186,048.79, 278,722.01 and 109,920.18 is: 164,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,048.79 : 278,722.01 = 109,920.18 : x
  2. Step 2: Convert to fraction form
    186,048.79/278,722.01 = 109,920.18/x
  3. Step 3: Cross multiply
    186,048.79x = 278,722.01 × 109,920.18
  4. Step 4: Simplify right side
    186,048.79x = 30,637,172,115.55
  5. Step 5: Solve for x
    x = 30,637,172,115.55/186,048.79
  6. Step 6: Final answer
    x = 164,672.78

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1.5x scale

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.