Home / 201,444.10-278,007.33-120,869.62

Finding the Fourth Proportional to 201,444.10, 278,007.33 and 120,869.62

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Solution

The fourth proportional to 201,444.10, 278,007.33 and 120,869.62 is: 166,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,444.10 : 278,007.33 = 120,869.62 : x
  2. Step 2: Convert to fraction form
    201,444.10/278,007.33 = 120,869.62/x
  3. Step 3: Cross multiply
    201,444.10x = 278,007.33 × 120,869.62
  4. Step 4: Simplify right side
    201,444.10x = 33,602,640,334.31
  5. Step 5: Solve for x
    x = 33,602,640,334.31/201,444.10
  6. Step 6: Final answer
    x = 166,808.76

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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.