Home / 170,069.70-254,885.85-103,439.10

Finding the Fourth Proportional to 170,069.70, 254,885.85 and 103,439.10

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Solution

The fourth proportional to 170,069.70, 254,885.85 and 103,439.10 is: 155,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,069.70 : 254,885.85 = 103,439.10 : x
  2. Step 2: Convert to fraction form
    170,069.70/254,885.85 = 103,439.10/x
  3. Step 3: Cross multiply
    170,069.70x = 254,885.85 × 103,439.10
  4. Step 4: Simplify right side
    170,069.70x = 26,365,162,926.74
  5. Step 5: Solve for x
    x = 26,365,162,926.74/170,069.70
  6. Step 6: Final answer
    x = 155,025.63

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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.