Home / 102,558.32-153,892.73-49,967.80

Finding the Fourth Proportional to 102,558.32, 153,892.73 and 49,967.80

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Solution

The fourth proportional to 102,558.32, 153,892.73 and 49,967.80 is: 74,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.32 : 153,892.73 = 49,967.80 : x
  2. Step 2: Convert to fraction form
    102,558.32/153,892.73 = 49,967.80/x
  3. Step 3: Cross multiply
    102,558.32x = 153,892.73 × 49,967.80
  4. Step 4: Simplify right side
    102,558.32x = 7,689,681,478.86
  5. Step 5: Solve for x
    x = 7,689,681,478.86/102,558.32
  6. Step 6: Final answer
    x = 74,978.62

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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.