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Finding the Fourth Proportional to 125,595.20, 188,392.80 and 32,099.60

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Solution

The fourth proportional to 125,595.20, 188,392.80 and 32,099.60 is: 48,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,595.20 : 188,392.80 = 32,099.60 : x
  2. Step 2: Convert to fraction form
    125,595.20/188,392.80 = 32,099.60/x
  3. Step 3: Cross multiply
    125,595.20x = 188,392.80 × 32,099.60
  4. Step 4: Simplify right side
    125,595.20x = 6,047,333,522.88
  5. Step 5: Solve for x
    x = 6,047,333,522.88/125,595.20
  6. Step 6: Final answer
    x = 48,149.40

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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.