Home / 225,001.33-310,563.08-128,256.12

Finding the Fourth Proportional to 225,001.33, 310,563.08 and 128,256.12

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Solution

The fourth proportional to 225,001.33, 310,563.08 and 128,256.12 is: 177,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,001.33 : 310,563.08 = 128,256.12 : x
  2. Step 2: Convert to fraction form
    225,001.33/310,563.08 = 128,256.12/x
  3. Step 3: Cross multiply
    225,001.33x = 310,563.08 × 128,256.12
  4. Step 4: Simplify right side
    225,001.33x = 39,831,615,656.05
  5. Step 5: Solve for x
    x = 39,831,615,656.05/225,001.33
  6. Step 6: Final answer
    x = 177,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.