Home / 138,274.48-207,431.16-44,748.64

Finding the Fourth Proportional to 138,274.48, 207,431.16 and 44,748.64

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Solution

The fourth proportional to 138,274.48, 207,431.16 and 44,748.64 is: 67,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,274.48 : 207,431.16 = 44,748.64 : x
  2. Step 2: Convert to fraction form
    138,274.48/207,431.16 = 44,748.64/x
  3. Step 3: Cross multiply
    138,274.48x = 207,431.16 × 44,748.64
  4. Step 4: Simplify right side
    138,274.48x = 9,282,262,303.62
  5. Step 5: Solve for x
    x = 9,282,262,303.62/138,274.48
  6. Step 6: Final answer
    x = 67,129.25

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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.