Home / 74,120.16-102,247.68-50,238.72

Finding the Fourth Proportional to 74,120.16, 102,247.68 and 50,238.72

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Solution

The fourth proportional to 74,120.16, 102,247.68 and 50,238.72 is: 69,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120.16 : 102,247.68 = 50,238.72 : x
  2. Step 2: Convert to fraction form
    74,120.16/102,247.68 = 50,238.72/x
  3. Step 3: Cross multiply
    74,120.16x = 102,247.68 × 50,238.72
  4. Step 4: Simplify right side
    74,120.16x = 5,136,792,566.17
  5. Step 5: Solve for x
    x = 5,136,792,566.17/74,120.16
  6. Step 6: Final answer
    x = 69,303.58

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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.