Home / 163,346.87-225,421.34-90,754.44

Finding the Fourth Proportional to 163,346.87, 225,421.34 and 90,754.44

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Solution

The fourth proportional to 163,346.87, 225,421.34 and 90,754.44 is: 125,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,346.87 : 225,421.34 = 90,754.44 : x
  2. Step 2: Convert to fraction form
    163,346.87/225,421.34 = 90,754.44/x
  3. Step 3: Cross multiply
    163,346.87x = 225,421.34 × 90,754.44
  4. Step 4: Simplify right side
    163,346.87x = 20,457,987,021.98
  5. Step 5: Solve for x
    x = 20,457,987,021.98/163,346.87
  6. Step 6: Final answer
    x = 125,242.61

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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.