Home / 165,438.48-248,126.06-64,236.52

Finding the Fourth Proportional to 165,438.48, 248,126.06 and 64,236.52

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Solution

The fourth proportional to 165,438.48, 248,126.06 and 64,236.52 is: 96,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,438.48 : 248,126.06 = 64,236.52 : x
  2. Step 2: Convert to fraction form
    165,438.48/248,126.06 = 64,236.52/x
  3. Step 3: Cross multiply
    165,438.48x = 248,126.06 × 64,236.52
  4. Step 4: Simplify right side
    165,438.48x = 15,938,754,615.71
  5. Step 5: Solve for x
    x = 15,938,754,615.71/165,438.48
  6. Step 6: Final answer
    x = 96,342.49

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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.