Home / 202,079.98-278,886.27-111,444.22

Finding the Fourth Proportional to 202,079.98, 278,886.27 and 111,444.22

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Solution

The fourth proportional to 202,079.98, 278,886.27 and 111,444.22 is: 153,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,079.98 : 278,886.27 = 111,444.22 : x
  2. Step 2: Convert to fraction form
    202,079.98/278,886.27 = 111,444.22/x
  3. Step 3: Cross multiply
    202,079.98x = 278,886.27 × 111,444.22
  4. Step 4: Simplify right side
    202,079.98x = 31,080,262,828.86
  5. Step 5: Solve for x
    x = 31,080,262,828.86/202,079.98
  6. Step 6: Final answer
    x = 153,801.79

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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.