Home / 139,465.04-192,463.26-75,802.86

Finding the Fourth Proportional to 139,465.04, 192,463.26 and 75,802.86

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Solution

The fourth proportional to 139,465.04, 192,463.26 and 75,802.86 is: 104,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,465.04 : 192,463.26 = 75,802.86 : x
  2. Step 2: Convert to fraction form
    139,465.04/192,463.26 = 75,802.86/x
  3. Step 3: Cross multiply
    139,465.04x = 192,463.26 × 75,802.86
  4. Step 4: Simplify right side
    139,465.04x = 14,589,265,552.92
  5. Step 5: Solve for x
    x = 14,589,265,552.92/139,465.04
  6. Step 6: Final answer
    x = 104,608.76

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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.