Home / 170,396.53-255,312.20-103,634.71

Finding the Fourth Proportional to 170,396.53, 255,312.20 and 103,634.71

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Solution

The fourth proportional to 170,396.53, 255,312.20 and 103,634.71 is: 155,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,396.53 : 255,312.20 = 103,634.71 : x
  2. Step 2: Convert to fraction form
    170,396.53/255,312.20 = 103,634.71/x
  3. Step 3: Cross multiply
    170,396.53x = 255,312.20 × 103,634.71
  4. Step 4: Simplify right side
    170,396.53x = 26,459,205,427.27
  5. Step 5: Solve for x
    x = 26,459,205,427.27/170,396.53
  6. Step 6: Final answer
    x = 155,280.19

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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.