Home / 145,761.36-201,151.80-82,093.20

Finding the Fourth Proportional to 145,761.36, 201,151.80 and 82,093.20

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Solution

The fourth proportional to 145,761.36, 201,151.80 and 82,093.20 is: 113,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,761.36 : 201,151.80 = 82,093.20 : x
  2. Step 2: Convert to fraction form
    145,761.36/201,151.80 = 82,093.20/x
  3. Step 3: Cross multiply
    145,761.36x = 201,151.80 × 82,093.20
  4. Step 4: Simplify right side
    145,761.36x = 16,513,194,947.76
  5. Step 5: Solve for x
    x = 16,513,194,947.76/145,761.36
  6. Step 6: Final answer
    x = 113,289.25

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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.