Home / 102,862.86-154,238.78-46,672.32

Finding the Fourth Proportional to 102,862.86, 154,238.78 and 46,672.32

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Solution

The fourth proportional to 102,862.86, 154,238.78 and 46,672.32 is: 69,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,862.86 : 154,238.78 = 46,672.32 : x
  2. Step 2: Convert to fraction form
    102,862.86/154,238.78 = 46,672.32/x
  3. Step 3: Cross multiply
    102,862.86x = 154,238.78 × 46,672.32
  4. Step 4: Simplify right side
    102,862.86x = 7,198,681,696.57
  5. Step 5: Solve for x
    x = 7,198,681,696.57/102,862.86
  6. Step 6: Final answer
    x = 69,983.29

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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.