Home / 170,731.80-255,579.30-152,069.40

Finding the Fourth Proportional to 170,731.80, 255,579.30 and 152,069.40

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Solution

The fourth proportional to 170,731.80, 255,579.30 and 152,069.40 is: 227,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,731.80 : 255,579.30 = 152,069.40 : x
  2. Step 2: Convert to fraction form
    170,731.80/255,579.30 = 152,069.40/x
  3. Step 3: Cross multiply
    170,731.80x = 255,579.30 × 152,069.40
  4. Step 4: Simplify right side
    170,731.80x = 38,865,790,803.42
  5. Step 5: Solve for x
    x = 38,865,790,803.42/170,731.80
  6. Step 6: Final answer
    x = 227,642.37

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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.