Home / 132,991.45-183,313.80-89,955.24

Finding the Fourth Proportional to 132,991.45, 183,313.80 and 89,955.24

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Solution

The fourth proportional to 132,991.45, 183,313.80 and 89,955.24 is: 123,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.45 : 183,313.80 = 89,955.24 : x
  2. Step 2: Convert to fraction form
    132,991.45/183,313.80 = 89,955.24/x
  3. Step 3: Cross multiply
    132,991.45x = 183,313.80 × 89,955.24
  4. Step 4: Simplify right side
    132,991.45x = 16,490,036,649.42
  5. Step 5: Solve for x
    x = 16,490,036,649.42/132,991.45
  6. Step 6: Final answer
    x = 123,993.21

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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.