Home / 163,788.78-245,690.15-57,183.47

Finding the Fourth Proportional to 163,788.78, 245,690.15 and 57,183.47

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Solution

The fourth proportional to 163,788.78, 245,690.15 and 57,183.47 is: 85,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,788.78 : 245,690.15 = 57,183.47 : x
  2. Step 2: Convert to fraction form
    163,788.78/245,690.15 = 57,183.47/x
  3. Step 3: Cross multiply
    163,788.78x = 245,690.15 × 57,183.47
  4. Step 4: Simplify right side
    163,788.78x = 14,049,413,807.45
  5. Step 5: Solve for x
    x = 14,049,413,807.45/163,788.78
  6. Step 6: Final answer
    x = 85,777.63

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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.