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Finding the Fourth Proportional to 173,363.80, 260,045.70 and 113,488.60

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Solution

The fourth proportional to 173,363.80, 260,045.70 and 113,488.60 is: 170,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,363.80 : 260,045.70 = 113,488.60 : x
  2. Step 2: Convert to fraction form
    173,363.80/260,045.70 = 113,488.60/x
  3. Step 3: Cross multiply
    173,363.80x = 260,045.70 × 113,488.60
  4. Step 4: Simplify right side
    173,363.80x = 29,512,222,429.02
  5. Step 5: Solve for x
    x = 29,512,222,429.02/173,363.80
  6. Step 6: Final answer
    x = 170,232.90

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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.