Home / 165,688.10-248,564.55-70,918.10

Finding the Fourth Proportional to 165,688.10, 248,564.55 and 70,918.10

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Solution

The fourth proportional to 165,688.10, 248,564.55 and 70,918.10 is: 106,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,688.10 : 248,564.55 = 70,918.10 : x
  2. Step 2: Convert to fraction form
    165,688.10/248,564.55 = 70,918.10/x
  3. Step 3: Cross multiply
    165,688.10x = 248,564.55 × 70,918.10
  4. Step 4: Simplify right side
    165,688.10x = 17,627,725,613.36
  5. Step 5: Solve for x
    x = 17,627,725,613.36/165,688.10
  6. Step 6: Final answer
    x = 106,391.02

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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.