Home / 236,838.42-355,018.14-101,990.43

Finding the Fourth Proportional to 236,838.42, 355,018.14 and 101,990.43

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Solution

The fourth proportional to 236,838.42, 355,018.14 and 101,990.43 is: 152,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,838.42 : 355,018.14 = 101,990.43 : x
  2. Step 2: Convert to fraction form
    236,838.42/355,018.14 = 101,990.43/x
  3. Step 3: Cross multiply
    236,838.42x = 355,018.14 × 101,990.43
  4. Step 4: Simplify right side
    236,838.42x = 36,208,452,756.40
  5. Step 5: Solve for x
    x = 36,208,452,756.40/236,838.42
  6. Step 6: Final answer
    x = 152,882.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.