Home / 132,995.64-183,367.98-85,170.36

Finding the Fourth Proportional to 132,995.64, 183,367.98 and 85,170.36

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Solution

The fourth proportional to 132,995.64, 183,367.98 and 85,170.36 is: 117,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,995.64 : 183,367.98 = 85,170.36 : x
  2. Step 2: Convert to fraction form
    132,995.64/183,367.98 = 85,170.36/x
  3. Step 3: Cross multiply
    132,995.64x = 183,367.98 × 85,170.36
  4. Step 4: Simplify right side
    132,995.64x = 15,617,516,869.07
  5. Step 5: Solve for x
    x = 15,617,516,869.07/132,995.64
  6. Step 6: Final answer
    x = 117,428.79

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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.