Home / 170,904.20-255,665.10-154,315.40

Finding the Fourth Proportional to 170,904.20, 255,665.10 and 154,315.40

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Solution

The fourth proportional to 170,904.20, 255,665.10 and 154,315.40 is: 230,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,904.20 : 255,665.10 = 154,315.40 : x
  2. Step 2: Convert to fraction form
    170,904.20/255,665.10 = 154,315.40/x
  3. Step 3: Cross multiply
    170,904.20x = 255,665.10 × 154,315.40
  4. Step 4: Simplify right side
    170,904.20x = 39,453,062,172.54
  5. Step 5: Solve for x
    x = 39,453,062,172.54/170,904.20
  6. Step 6: Final answer
    x = 230,848.99

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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.