Home / 171,209.90-256,807.26-52,880.45

Finding the Fourth Proportional to 171,209.90, 256,807.26 and 52,880.45

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Solution

The fourth proportional to 171,209.90, 256,807.26 and 52,880.45 is: 79,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,209.90 : 256,807.26 = 52,880.45 : x
  2. Step 2: Convert to fraction form
    171,209.90/256,807.26 = 52,880.45/x
  3. Step 3: Cross multiply
    171,209.90x = 256,807.26 × 52,880.45
  4. Step 4: Simplify right side
    171,209.90x = 13,580,082,188.03
  5. Step 5: Solve for x
    x = 13,580,082,188.03/171,209.90
  6. Step 6: Final answer
    x = 79,318.32

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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.