Home / 90,230.10-124,521.82-51,995.36

Finding the Fourth Proportional to 90,230.10, 124,521.82 and 51,995.36

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Solution

The fourth proportional to 90,230.10, 124,521.82 and 51,995.36 is: 71,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.10 : 124,521.82 = 51,995.36 : x
  2. Step 2: Convert to fraction form
    90,230.10/124,521.82 = 51,995.36/x
  3. Step 3: Cross multiply
    90,230.10x = 124,521.82 × 51,995.36
  4. Step 4: Simplify right side
    90,230.10x = 6,474,556,858.76
  5. Step 5: Solve for x
    x = 6,474,556,858.76/90,230.10
  6. Step 6: Final answer
    x = 71,756.06

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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.