Home / 90,137.24-124,389.14-51,882.81

Finding the Fourth Proportional to 90,137.24, 124,389.14 and 51,882.81

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Solution

The fourth proportional to 90,137.24, 124,389.14 and 51,882.81 is: 71,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,137.24 : 124,389.14 = 51,882.81 : x
  2. Step 2: Convert to fraction form
    90,137.24/124,389.14 = 51,882.81/x
  3. Step 3: Cross multiply
    90,137.24x = 124,389.14 × 51,882.81
  4. Step 4: Simplify right side
    90,137.24x = 6,453,658,116.68
  5. Step 5: Solve for x
    x = 6,453,658,116.68/90,137.24
  6. Step 6: Final answer
    x = 71,598.13

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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.