Home / 163,601.10-225,763.74-91,985.22

Finding the Fourth Proportional to 163,601.10, 225,763.74 and 91,985.22

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Solution

The fourth proportional to 163,601.10, 225,763.74 and 91,985.22 is: 126,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.10 : 225,763.74 = 91,985.22 : x
  2. Step 2: Convert to fraction form
    163,601.10/225,763.74 = 91,985.22/x
  3. Step 3: Cross multiply
    163,601.10x = 225,763.74 × 91,985.22
  4. Step 4: Simplify right side
    163,601.10x = 20,766,927,291.92
  5. Step 5: Solve for x
    x = 20,766,927,291.92/163,601.10
  6. Step 6: Final answer
    x = 126,936.35

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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.