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Finding the Fourth Proportional to 171,280.80, 256,532.40 and 88,077.60

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Solution

The fourth proportional to 171,280.80, 256,532.40 and 88,077.60 is: 131,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,280.80 : 256,532.40 = 88,077.60 : x
  2. Step 2: Convert to fraction form
    171,280.80/256,532.40 = 88,077.60/x
  3. Step 3: Cross multiply
    171,280.80x = 256,532.40 × 88,077.60
  4. Step 4: Simplify right side
    171,280.80x = 22,594,758,114.24
  5. Step 5: Solve for x
    x = 22,594,758,114.24/171,280.80
  6. Step 6: Final answer
    x = 131,916.47

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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.