Home / 163,775.60-245,635.92-45,458.96

Finding the Fourth Proportional to 163,775.60, 245,635.92 and 45,458.96

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Solution

The fourth proportional to 163,775.60, 245,635.92 and 45,458.96 is: 68,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,775.60 : 245,635.92 = 45,458.96 : x
  2. Step 2: Convert to fraction form
    163,775.60/245,635.92 = 45,458.96/x
  3. Step 3: Cross multiply
    163,775.60x = 245,635.92 × 45,458.96
  4. Step 4: Simplify right side
    163,775.60x = 11,166,353,461.84
  5. Step 5: Solve for x
    x = 11,166,353,461.84/163,775.60
  6. Step 6: Final answer
    x = 68,180.81

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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.