Home / 164,730.84-247,127.20-74,779.87

Finding the Fourth Proportional to 164,730.84, 247,127.20 and 74,779.87

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Solution

The fourth proportional to 164,730.84, 247,127.20 and 74,779.87 is: 112,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,730.84 : 247,127.20 = 74,779.87 : x
  2. Step 2: Convert to fraction form
    164,730.84/247,127.20 = 74,779.87/x
  3. Step 3: Cross multiply
    164,730.84x = 247,127.20 × 74,779.87
  4. Step 4: Simplify right side
    164,730.84x = 18,480,139,889.46
  5. Step 5: Solve for x
    x = 18,480,139,889.46/164,730.84
  6. Step 6: Final answer
    x = 112,183.85

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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.