Home / 253,880.24-350,358.58-139,158

Finding the Fourth Proportional to 253,880.24, 350,358.58 and 139,158

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Solution

The fourth proportional to 253,880.24, 350,358.58 and 139,158 is: 192,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,880.24 : 350,358.58 = 139,158 : x
  2. Step 2: Convert to fraction form
    253,880.24/350,358.58 = 139,158/x
  3. Step 3: Cross multiply
    253,880.24x = 350,358.58 × 139,158
  4. Step 4: Simplify right side
    253,880.24x = 48,755,199,275.64
  5. Step 5: Solve for x
    x = 48,755,199,275.64/253,880.24
  6. Step 6: Final answer
    x = 192,040.15

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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.