Home / 202,080.48-278,886.96-111,444.72

Finding the Fourth Proportional to 202,080.48, 278,886.96 and 111,444.72

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Solution

The fourth proportional to 202,080.48, 278,886.96 and 111,444.72 is: 153,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,080.48 : 278,886.96 = 111,444.72 : x
  2. Step 2: Convert to fraction form
    202,080.48/278,886.96 = 111,444.72/x
  3. Step 3: Cross multiply
    202,080.48x = 278,886.96 × 111,444.72
  4. Step 4: Simplify right side
    202,080.48x = 31,080,479,168.85
  5. Step 5: Solve for x
    x = 31,080,479,168.85/202,080.48
  6. Step 6: Final answer
    x = 153,802.48

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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.