Home / 139,199.04-192,095.18-75,536.82

Finding the Fourth Proportional to 139,199.04, 192,095.18 and 75,536.82

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Solution

The fourth proportional to 139,199.04, 192,095.18 and 75,536.82 is: 104,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,199.04 : 192,095.18 = 75,536.82 : x
  2. Step 2: Convert to fraction form
    139,199.04/192,095.18 = 75,536.82/x
  3. Step 3: Cross multiply
    139,199.04x = 192,095.18 × 75,536.82
  4. Step 4: Simplify right side
    139,199.04x = 14,510,258,940.11
  5. Step 5: Solve for x
    x = 14,510,258,940.11/139,199.04
  6. Step 6: Final answer
    x = 104,241.08

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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.