Home / 163,505.44-245,255.70-45,174.16

Finding the Fourth Proportional to 163,505.44, 245,255.70 and 45,174.16

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Solution

The fourth proportional to 163,505.44, 245,255.70 and 45,174.16 is: 67,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,505.44 : 245,255.70 = 45,174.16 : x
  2. Step 2: Convert to fraction form
    163,505.44/245,255.70 = 45,174.16/x
  3. Step 3: Cross multiply
    163,505.44x = 245,255.70 × 45,174.16
  4. Step 4: Simplify right side
    163,505.44x = 11,079,220,232.71
  5. Step 5: Solve for x
    x = 11,079,220,232.71/163,505.44
  6. Step 6: Final answer
    x = 67,760.56

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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.