Home / 114,649.54-172,203.50-69,148.20

Finding the Fourth Proportional to 114,649.54, 172,203.50 and 69,148.20

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Solution

The fourth proportional to 114,649.54, 172,203.50 and 69,148.20 is: 103,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,649.54 : 172,203.50 = 69,148.20 : x
  2. Step 2: Convert to fraction form
    114,649.54/172,203.50 = 69,148.20/x
  3. Step 3: Cross multiply
    114,649.54x = 172,203.50 × 69,148.20
  4. Step 4: Simplify right side
    114,649.54x = 11,907,561,908.69
  5. Step 5: Solve for x
    x = 11,907,561,908.69/114,649.54
  6. Step 6: Final answer
    x = 103,860.53

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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.