Home / 171,389.60-257,084.40-170,223.20

Finding the Fourth Proportional to 171,389.60, 257,084.40 and 170,223.20

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Solution

The fourth proportional to 171,389.60, 257,084.40 and 170,223.20 is: 255,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,389.60 : 257,084.40 = 170,223.20 : x
  2. Step 2: Convert to fraction form
    171,389.60/257,084.40 = 170,223.20/x
  3. Step 3: Cross multiply
    171,389.60x = 257,084.40 × 170,223.20
  4. Step 4: Simplify right side
    171,389.60x = 43,761,729,238.08
  5. Step 5: Solve for x
    x = 43,761,729,238.08/171,389.60
  6. Step 6: Final answer
    x = 255,334.80

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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.