Home / 125,333.20-188,000.32-31,838.64

Finding the Fourth Proportional to 125,333.20, 188,000.32 and 31,838.64

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Solution

The fourth proportional to 125,333.20, 188,000.32 and 31,838.64 is: 47,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,333.20 : 188,000.32 = 31,838.64 : x
  2. Step 2: Convert to fraction form
    125,333.20/188,000.32 = 31,838.64/x
  3. Step 3: Cross multiply
    125,333.20x = 188,000.32 × 31,838.64
  4. Step 4: Simplify right side
    125,333.20x = 5,985,674,508.36
  5. Step 5: Solve for x
    x = 5,985,674,508.36/125,333.20
  6. Step 6: Final answer
    x = 47,758.09

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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.