Home / 171,131.04-256,740.36-71,258.16

Finding the Fourth Proportional to 171,131.04, 256,740.36 and 71,258.16

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Solution

The fourth proportional to 171,131.04, 256,740.36 and 71,258.16 is: 106,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,131.04 : 256,740.36 = 71,258.16 : x
  2. Step 2: Convert to fraction form
    171,131.04/256,740.36 = 71,258.16/x
  3. Step 3: Cross multiply
    171,131.04x = 256,740.36 × 71,258.16
  4. Step 4: Simplify right side
    171,131.04x = 18,294,845,651.34
  5. Step 5: Solve for x
    x = 18,294,845,651.34/171,131.04
  6. Step 6: Final answer
    x = 106,905.48

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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.