Home / 90,395.18-124,732.26-50,108.94

Finding the Fourth Proportional to 90,395.18, 124,732.26 and 50,108.94

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Solution

The fourth proportional to 90,395.18, 124,732.26 and 50,108.94 is: 69,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,395.18 : 124,732.26 = 50,108.94 : x
  2. Step 2: Convert to fraction form
    90,395.18/124,732.26 = 50,108.94/x
  3. Step 3: Cross multiply
    90,395.18x = 124,732.26 × 50,108.94
  4. Step 4: Simplify right side
    90,395.18x = 6,250,201,332.40
  5. Step 5: Solve for x
    x = 6,250,201,332.40/90,395.18
  6. Step 6: Final answer
    x = 69,143.08

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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.