Home / 102,730.70-153,998.85-60,643.10

Finding the Fourth Proportional to 102,730.70, 153,998.85 and 60,643.10

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Solution

The fourth proportional to 102,730.70, 153,998.85 and 60,643.10 is: 90,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730.70 : 153,998.85 = 60,643.10 : x
  2. Step 2: Convert to fraction form
    102,730.70/153,998.85 = 60,643.10/x
  3. Step 3: Cross multiply
    102,730.70x = 153,998.85 × 60,643.10
  4. Step 4: Simplify right side
    102,730.70x = 9,338,967,660.44
  5. Step 5: Solve for x
    x = 9,338,967,660.44/102,730.70
  6. Step 6: Final answer
    x = 90,907.27

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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.