Home / 134,695.32-185,811.26-102,808.86

Finding the Fourth Proportional to 134,695.32, 185,811.26 and 102,808.86

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Solution

The fourth proportional to 134,695.32, 185,811.26 and 102,808.86 is: 141,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,695.32 : 185,811.26 = 102,808.86 : x
  2. Step 2: Convert to fraction form
    134,695.32/185,811.26 = 102,808.86/x
  3. Step 3: Cross multiply
    134,695.32x = 185,811.26 × 102,808.86
  4. Step 4: Simplify right side
    134,695.32x = 19,103,043,815.76
  5. Step 5: Solve for x
    x = 19,103,043,815.76/134,695.32
  6. Step 6: Final answer
    x = 141,824.11

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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.