Home / 200,631.46-301,077.55-86,890.35

Finding the Fourth Proportional to 200,631.46, 301,077.55 and 86,890.35

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Solution

The fourth proportional to 200,631.46, 301,077.55 and 86,890.35 is: 130,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,631.46 : 301,077.55 = 86,890.35 : x
  2. Step 2: Convert to fraction form
    200,631.46/301,077.55 = 86,890.35/x
  3. Step 3: Cross multiply
    200,631.46x = 301,077.55 × 86,890.35
  4. Step 4: Simplify right side
    200,631.46x = 26,160,733,696.64
  5. Step 5: Solve for x
    x = 26,160,733,696.64/200,631.46
  6. Step 6: Final answer
    x = 130,391.98

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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.