Home / 236,897.32-355,235.58-87,099.40

Finding the Fourth Proportional to 236,897.32, 355,235.58 and 87,099.40

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Solution

The fourth proportional to 236,897.32, 355,235.58 and 87,099.40 is: 130,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,897.32 : 355,235.58 = 87,099.40 : x
  2. Step 2: Convert to fraction form
    236,897.32/355,235.58 = 87,099.40/x
  3. Step 3: Cross multiply
    236,897.32x = 355,235.58 × 87,099.40
  4. Step 4: Simplify right side
    236,897.32x = 30,940,805,876.65
  5. Step 5: Solve for x
    x = 30,940,805,876.65/236,897.32
  6. Step 6: Final answer
    x = 130,608.51

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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.