Home / 82,230.12-123,347.52-26,070.48

Finding the Fourth Proportional to 82,230.12, 123,347.52 and 26,070.48

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Solution

The fourth proportional to 82,230.12, 123,347.52 and 26,070.48 is: 39,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,230.12 : 123,347.52 = 26,070.48 : x
  2. Step 2: Convert to fraction form
    82,230.12/123,347.52 = 26,070.48/x
  3. Step 3: Cross multiply
    82,230.12x = 123,347.52 × 26,070.48
  4. Step 4: Simplify right side
    82,230.12x = 3,215,729,053.21
  5. Step 5: Solve for x
    x = 3,215,729,053.21/82,230.12
  6. Step 6: Final answer
    x = 39,106.46

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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.