Home / 163,431.60-225,562.41-136,164.51

Finding the Fourth Proportional to 163,431.60, 225,562.41 and 136,164.51

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Solution

The fourth proportional to 163,431.60, 225,562.41 and 136,164.51 is: 187,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,431.60 : 225,562.41 = 136,164.51 : x
  2. Step 2: Convert to fraction form
    163,431.60/225,562.41 = 136,164.51/x
  3. Step 3: Cross multiply
    163,431.60x = 225,562.41 × 136,164.51
  4. Step 4: Simplify right side
    163,431.60x = 30,713,595,032.07
  5. Step 5: Solve for x
    x = 30,713,595,032.07/163,431.60
  6. Step 6: Final answer
    x = 187,929.35

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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.