Home / 102,935.63-154,380.21-52,283.36

Finding the Fourth Proportional to 102,935.63, 154,380.21 and 52,283.36

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Solution

The fourth proportional to 102,935.63, 154,380.21 and 52,283.36 is: 78,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,935.63 : 154,380.21 = 52,283.36 : x
  2. Step 2: Convert to fraction form
    102,935.63/154,380.21 = 52,283.36/x
  3. Step 3: Cross multiply
    102,935.63x = 154,380.21 × 52,283.36
  4. Step 4: Simplify right side
    102,935.63x = 8,071,516,096.31
  5. Step 5: Solve for x
    x = 8,071,516,096.31/102,935.63
  6. Step 6: Final answer
    x = 78,413.24

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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.