Home / 103,080.60-154,530.90-39,943.80

Finding the Fourth Proportional to 103,080.60, 154,530.90 and 39,943.80

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Solution

The fourth proportional to 103,080.60, 154,530.90 and 39,943.80 is: 59,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,080.60 : 154,530.90 = 39,943.80 : x
  2. Step 2: Convert to fraction form
    103,080.60/154,530.90 = 39,943.80/x
  3. Step 3: Cross multiply
    103,080.60x = 154,530.90 × 39,943.80
  4. Step 4: Simplify right side
    103,080.60x = 6,172,551,363.42
  5. Step 5: Solve for x
    x = 6,172,551,363.42/103,080.60
  6. Step 6: Final answer
    x = 59,880.82

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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.