Home / 110,330.10-165,325.05-82,117.80

Finding the Fourth Proportional to 110,330.10, 165,325.05 and 82,117.80

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Solution

The fourth proportional to 110,330.10, 165,325.05 and 82,117.80 is: 123,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,330.10 : 165,325.05 = 82,117.80 : x
  2. Step 2: Convert to fraction form
    110,330.10/165,325.05 = 82,117.80/x
  3. Step 3: Cross multiply
    110,330.10x = 165,325.05 × 82,117.80
  4. Step 4: Simplify right side
    110,330.10x = 13,576,129,390.89
  5. Step 5: Solve for x
    x = 13,576,129,390.89/110,330.10
  6. Step 6: Final answer
    x = 123,050.10

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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.