Home / 139,386.60-192,351.24-75,725.46

Finding the Fourth Proportional to 139,386.60, 192,351.24 and 75,725.46

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Solution

The fourth proportional to 139,386.60, 192,351.24 and 75,725.46 is: 104,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,386.60 : 192,351.24 = 75,725.46 : x
  2. Step 2: Convert to fraction form
    139,386.60/192,351.24 = 75,725.46/x
  3. Step 3: Cross multiply
    139,386.60x = 192,351.24 × 75,725.46
  4. Step 4: Simplify right side
    139,386.60x = 14,565,886,130.57
  5. Step 5: Solve for x
    x = 14,565,886,130.57/139,386.60
  6. Step 6: Final answer
    x = 104,499.90

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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.