Home / 109,525.60-164,166.90-42,943.60

Finding the Fourth Proportional to 109,525.60, 164,166.90 and 42,943.60

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Solution

The fourth proportional to 109,525.60, 164,166.90 and 42,943.60 is: 64,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,525.60 : 164,166.90 = 42,943.60 : x
  2. Step 2: Convert to fraction form
    109,525.60/164,166.90 = 42,943.60/x
  3. Step 3: Cross multiply
    109,525.60x = 164,166.90 × 42,943.60
  4. Step 4: Simplify right side
    109,525.60x = 7,049,917,686.84
  5. Step 5: Solve for x
    x = 7,049,917,686.84/109,525.60
  6. Step 6: Final answer
    x = 64,367.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.