Home / 200,790.09-277,088.04-115,905.33

Finding the Fourth Proportional to 200,790.09, 277,088.04 and 115,905.33

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Solution

The fourth proportional to 200,790.09, 277,088.04 and 115,905.33 is: 159,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,790.09 : 277,088.04 = 115,905.33 : x
  2. Step 2: Convert to fraction form
    200,790.09/277,088.04 = 115,905.33/x
  3. Step 3: Cross multiply
    200,790.09x = 277,088.04 × 115,905.33
  4. Step 4: Simplify right side
    200,790.09x = 32,115,980,715.25
  5. Step 5: Solve for x
    x = 32,115,980,715.25/200,790.09
  6. Step 6: Final answer
    x = 159,948.04

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1.5x scale

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.