Home / 169,829.81-254,646.32-69,877.09

Finding the Fourth Proportional to 169,829.81, 254,646.32 and 69,877.09

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Solution

The fourth proportional to 169,829.81, 254,646.32 and 69,877.09 is: 104,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,829.81 : 254,646.32 = 69,877.09 : x
  2. Step 2: Convert to fraction form
    169,829.81/254,646.32 = 69,877.09/x
  3. Step 3: Cross multiply
    169,829.81x = 254,646.32 × 69,877.09
  4. Step 4: Simplify right side
    169,829.81x = 17,793,943,789.73
  5. Step 5: Solve for x
    x = 17,793,943,789.73/169,829.81
  6. Step 6: Final answer
    x = 104,775.15

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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.