Home / 165,731.70-248,683.95-72,246.90

Finding the Fourth Proportional to 165,731.70, 248,683.95 and 72,246.90

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Solution

The fourth proportional to 165,731.70, 248,683.95 and 72,246.90 is: 108,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731.70 : 248,683.95 = 72,246.90 : x
  2. Step 2: Convert to fraction form
    165,731.70/248,683.95 = 72,246.90/x
  3. Step 3: Cross multiply
    165,731.70x = 248,683.95 × 72,246.90
  4. Step 4: Simplify right side
    165,731.70x = 17,966,644,467.26
  5. Step 5: Solve for x
    x = 17,966,644,467.26/165,731.70
  6. Step 6: Final answer
    x = 108,408.01

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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.