Home / 102,717.32-153,812.93-71,083.58

Finding the Fourth Proportional to 102,717.32, 153,812.93 and 71,083.58

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Solution

The fourth proportional to 102,717.32, 153,812.93 and 71,083.58 is: 106,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,717.32 : 153,812.93 = 71,083.58 : x
  2. Step 2: Convert to fraction form
    102,717.32/153,812.93 = 71,083.58/x
  3. Step 3: Cross multiply
    102,717.32x = 153,812.93 × 71,083.58
  4. Step 4: Simplify right side
    102,717.32x = 10,933,572,590.21
  5. Step 5: Solve for x
    x = 10,933,572,590.21/102,717.32
  6. Step 6: Final answer
    x = 106,443.33

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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.