Home / 173,280.20-259,725.90-89,007.80

Finding the Fourth Proportional to 173,280.20, 259,725.90 and 89,007.80

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Solution

The fourth proportional to 173,280.20, 259,725.90 and 89,007.80 is: 133,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,280.20 : 259,725.90 = 89,007.80 : x
  2. Step 2: Convert to fraction form
    173,280.20/259,725.90 = 89,007.80/x
  3. Step 3: Cross multiply
    173,280.20x = 259,725.90 × 89,007.80
  4. Step 4: Simplify right side
    173,280.20x = 23,117,630,962.02
  5. Step 5: Solve for x
    x = 23,117,630,962.02/173,280.20
  6. Step 6: Final answer
    x = 133,411.84

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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.