Home / 169,480.15-254,209.75-69,637.78

Finding the Fourth Proportional to 169,480.15, 254,209.75 and 69,637.78

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Solution

The fourth proportional to 169,480.15, 254,209.75 and 69,637.78 is: 104,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,480.15 : 254,209.75 = 69,637.78 : x
  2. Step 2: Convert to fraction form
    169,480.15/254,209.75 = 69,637.78/x
  3. Step 3: Cross multiply
    169,480.15x = 254,209.75 × 69,637.78
  4. Step 4: Simplify right side
    169,480.15x = 17,702,602,644.36
  5. Step 5: Solve for x
    x = 17,702,602,644.36/169,480.15
  6. Step 6: Final answer
    x = 104,452.37

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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.