Home / 139,258.04-192,175.88-75,595.86

Finding the Fourth Proportional to 139,258.04, 192,175.88 and 75,595.86

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Solution

The fourth proportional to 139,258.04, 192,175.88 and 75,595.86 is: 104,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,258.04 : 192,175.88 = 75,595.86 : x
  2. Step 2: Convert to fraction form
    139,258.04/192,175.88 = 75,595.86/x
  3. Step 3: Cross multiply
    139,258.04x = 192,175.88 × 75,595.86
  4. Step 4: Simplify right side
    139,258.04x = 14,527,700,541.88
  5. Step 5: Solve for x
    x = 14,527,700,541.88/139,258.04
  6. Step 6: Final answer
    x = 104,322.17

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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.