Home / 163,220.35-225,248.55-91,604.81

Finding the Fourth Proportional to 163,220.35, 225,248.55 and 91,604.81

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Solution

The fourth proportional to 163,220.35, 225,248.55 and 91,604.81 is: 126,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,220.35 : 225,248.55 = 91,604.81 : x
  2. Step 2: Convert to fraction form
    163,220.35/225,248.55 = 91,604.81/x
  3. Step 3: Cross multiply
    163,220.35x = 225,248.55 × 91,604.81
  4. Step 4: Simplify right side
    163,220.35x = 20,633,850,625.53
  5. Step 5: Solve for x
    x = 20,633,850,625.53/163,220.35
  6. Step 6: Final answer
    x = 126,417.14

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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.