Home / 163,133.94-225,135.18-91,518.60

Finding the Fourth Proportional to 163,133.94, 225,135.18 and 91,518.60

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Solution

The fourth proportional to 163,133.94, 225,135.18 and 91,518.60 is: 126,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,133.94 : 225,135.18 = 91,518.60 : x
  2. Step 2: Convert to fraction form
    163,133.94/225,135.18 = 91,518.60/x
  3. Step 3: Cross multiply
    163,133.94x = 225,135.18 × 91,518.60
  4. Step 4: Simplify right side
    163,133.94x = 20,604,056,484.35
  5. Step 5: Solve for x
    x = 20,604,056,484.35/163,133.94
  6. Step 6: Final answer
    x = 126,301.47

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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.