Home / 186,315.30-279,144.90-152,854.20

Finding the Fourth Proportional to 186,315.30, 279,144.90 and 152,854.20

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Solution

The fourth proportional to 186,315.30, 279,144.90 and 152,854.20 is: 229,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,315.30 : 279,144.90 = 152,854.20 : x
  2. Step 2: Convert to fraction form
    186,315.30/279,144.90 = 152,854.20/x
  3. Step 3: Cross multiply
    186,315.30x = 279,144.90 × 152,854.20
  4. Step 4: Simplify right side
    186,315.30x = 42,668,470,373.58
  5. Step 5: Solve for x
    x = 42,668,470,373.58/186,315.30
  6. Step 6: Final answer
    x = 229,012.17

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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.