Home / 163,730.56-245,594.88-45,400.64

Finding the Fourth Proportional to 163,730.56, 245,594.88 and 45,400.64

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Solution

The fourth proportional to 163,730.56, 245,594.88 and 45,400.64 is: 68,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730.56 : 245,594.88 = 45,400.64 : x
  2. Step 2: Convert to fraction form
    163,730.56/245,594.88 = 45,400.64/x
  3. Step 3: Cross multiply
    163,730.56x = 245,594.88 × 45,400.64
  4. Step 4: Simplify right side
    163,730.56x = 11,150,164,732.72
  5. Step 5: Solve for x
    x = 11,150,164,732.72/163,730.56
  6. Step 6: Final answer
    x = 68,100.69

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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.