Home / 90,225.18-124,508.25-49,937.94

Finding the Fourth Proportional to 90,225.18, 124,508.25 and 49,937.94

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Solution

The fourth proportional to 90,225.18, 124,508.25 and 49,937.94 is: 68,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,225.18 : 124,508.25 = 49,937.94 : x
  2. Step 2: Convert to fraction form
    90,225.18/124,508.25 = 49,937.94/x
  3. Step 3: Cross multiply
    90,225.18x = 124,508.25 × 49,937.94
  4. Step 4: Simplify right side
    90,225.18x = 6,217,685,518.01
  5. Step 5: Solve for x
    x = 6,217,685,518.01/90,225.18
  6. Step 6: Final answer
    x = 68,912.97

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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.