Home / 90,190.24-124,461.28-49,903.27

Finding the Fourth Proportional to 90,190.24, 124,461.28 and 49,903.27

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Solution

The fourth proportional to 90,190.24, 124,461.28 and 49,903.27 is: 68,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.24 : 124,461.28 = 49,903.27 : x
  2. Step 2: Convert to fraction form
    90,190.24/124,461.28 = 49,903.27/x
  3. Step 3: Cross multiply
    90,190.24x = 124,461.28 × 49,903.27
  4. Step 4: Simplify right side
    90,190.24x = 6,211,024,860.39
  5. Step 5: Solve for x
    x = 6,211,024,860.39/90,190.24
  6. Step 6: Final answer
    x = 68,865.82

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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.