Home / 201,020.08-277,421.88-132,918.72

Finding the Fourth Proportional to 201,020.08, 277,421.88 and 132,918.72

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Solution

The fourth proportional to 201,020.08, 277,421.88 and 132,918.72 is: 183,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,020.08 : 277,421.88 = 132,918.72 : x
  2. Step 2: Convert to fraction form
    201,020.08/277,421.88 = 132,918.72/x
  3. Step 3: Cross multiply
    201,020.08x = 277,421.88 × 132,918.72
  4. Step 4: Simplify right side
    201,020.08x = 36,874,559,802.48
  5. Step 5: Solve for x
    x = 36,874,559,802.48/201,020.08
  6. Step 6: Final answer
    x = 183,437.20

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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.