Home / 180,007.10-270,010.65-109,148.30

Finding the Fourth Proportional to 180,007.10, 270,010.65 and 109,148.30

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Solution

The fourth proportional to 180,007.10, 270,010.65 and 109,148.30 is: 163,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,007.10 : 270,010.65 = 109,148.30 : x
  2. Step 2: Convert to fraction form
    180,007.10/270,010.65 = 109,148.30/x
  3. Step 3: Cross multiply
    180,007.10x = 270,010.65 × 109,148.30
  4. Step 4: Simplify right side
    180,007.10x = 29,471,203,429.40
  5. Step 5: Solve for x
    x = 29,471,203,429.40/180,007.10
  6. Step 6: Final answer
    x = 163,722.45

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1.5x scale

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.