Home / 112,179.79-154,493.18-109,730.35

Finding the Fourth Proportional to 112,179.79, 154,493.18 and 109,730.35

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Solution

The fourth proportional to 112,179.79, 154,493.18 and 109,730.35 is: 151,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,179.79 : 154,493.18 = 109,730.35 : x
  2. Step 2: Convert to fraction form
    112,179.79/154,493.18 = 109,730.35/x
  3. Step 3: Cross multiply
    112,179.79x = 154,493.18 × 109,730.35
  4. Step 4: Simplify right side
    112,179.79x = 16,952,589,779.13
  5. Step 5: Solve for x
    x = 16,952,589,779.13/112,179.79
  6. Step 6: Final answer
    x = 151,119.82

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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.