Home / 102,435.87-153,648.36-39,286.29

Finding the Fourth Proportional to 102,435.87, 153,648.36 and 39,286.29

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Solution

The fourth proportional to 102,435.87, 153,648.36 and 39,286.29 is: 58,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,435.87 : 153,648.36 = 39,286.29 : x
  2. Step 2: Convert to fraction form
    102,435.87/153,648.36 = 39,286.29/x
  3. Step 3: Cross multiply
    102,435.87x = 153,648.36 × 39,286.29
  4. Step 4: Simplify right side
    102,435.87x = 6,036,274,028.98
  5. Step 5: Solve for x
    x = 6,036,274,028.98/102,435.87
  6. Step 6: Final answer
    x = 58,927.35

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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.