Home / 163,489.50-245,233.92-45,160.49

Finding the Fourth Proportional to 163,489.50, 245,233.92 and 45,160.49

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Solution

The fourth proportional to 163,489.50, 245,233.92 and 45,160.49 is: 67,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,489.50 : 245,233.92 = 45,160.49 : x
  2. Step 2: Convert to fraction form
    163,489.50/245,233.92 = 45,160.49/x
  3. Step 3: Cross multiply
    163,489.50x = 245,233.92 × 45,160.49
  4. Step 4: Simplify right side
    163,489.50x = 11,074,883,991.82
  5. Step 5: Solve for x
    x = 11,074,883,991.82/163,489.50
  6. Step 6: Final answer
    x = 67,740.64

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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.