Home / 132,649.28-183,054.90-72,219.80

Finding the Fourth Proportional to 132,649.28, 183,054.90 and 72,219.80

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Solution

The fourth proportional to 132,649.28, 183,054.90 and 72,219.80 is: 99,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649.28 : 183,054.90 = 72,219.80 : x
  2. Step 2: Convert to fraction form
    132,649.28/183,054.90 = 72,219.80/x
  3. Step 3: Cross multiply
    132,649.28x = 183,054.90 × 72,219.80
  4. Step 4: Simplify right side
    132,649.28x = 13,220,188,995.48
  5. Step 5: Solve for x
    x = 13,220,188,995.48/132,649.28
  6. Step 6: Final answer
    x = 99,662.73

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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.