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Finding the Fourth Proportional to 127,610, 191,416.62 and 44,504

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Solution

The fourth proportional to 127,610, 191,416.62 and 44,504 is: 66,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,610 : 191,416.62 = 44,504 : x
  2. Step 2: Convert to fraction form
    127,610/191,416.62 = 44,504/x
  3. Step 3: Cross multiply
    127,610x = 191,416.62 × 44,504
  4. Step 4: Simplify right side
    127,610x = 8,518,805,256.48
  5. Step 5: Solve for x
    x = 8,518,805,256.48/127,610
  6. Step 6: Final answer
    x = 66,756.56

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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.