Home / 163,449.49-245,188.34-45,120.85

Finding the Fourth Proportional to 163,449.49, 245,188.34 and 45,120.85

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Solution

The fourth proportional to 163,449.49, 245,188.34 and 45,120.85 is: 67,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,449.49 : 245,188.34 = 45,120.85 : x
  2. Step 2: Convert to fraction form
    163,449.49/245,188.34 = 45,120.85/x
  3. Step 3: Cross multiply
    163,449.49x = 245,188.34 × 45,120.85
  4. Step 4: Simplify right side
    163,449.49x = 11,063,104,859.34
  5. Step 5: Solve for x
    x = 11,063,104,859.34/163,449.49
  6. Step 6: Final answer
    x = 67,685.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.