Home / 169,995.20-255,017.10-57,680.60

Finding the Fourth Proportional to 169,995.20, 255,017.10 and 57,680.60

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Solution

The fourth proportional to 169,995.20, 255,017.10 and 57,680.60 is: 86,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,995.20 : 255,017.10 = 57,680.60 : x
  2. Step 2: Convert to fraction form
    169,995.20/255,017.10 = 57,680.60/x
  3. Step 3: Cross multiply
    169,995.20x = 255,017.10 × 57,680.60
  4. Step 4: Simplify right side
    169,995.20x = 14,709,539,338.26
  5. Step 5: Solve for x
    x = 14,709,539,338.26/169,995.20
  6. Step 6: Final answer
    x = 86,529.15

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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.