Home / 139,257.52-192,174.05-75,595.23

Finding the Fourth Proportional to 139,257.52, 192,174.05 and 75,595.23

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Solution

The fourth proportional to 139,257.52, 192,174.05 and 75,595.23 is: 104,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,257.52 : 192,174.05 = 75,595.23 : x
  2. Step 2: Convert to fraction form
    139,257.52/192,174.05 = 75,595.23/x
  3. Step 3: Cross multiply
    139,257.52x = 192,174.05 × 75,595.23
  4. Step 4: Simplify right side
    139,257.52x = 14,527,441,698.77
  5. Step 5: Solve for x
    x = 14,527,441,698.77/139,257.52
  6. Step 6: Final answer
    x = 104,320.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.