Home / 202,052.02-278,844.24-111,407.71

Finding the Fourth Proportional to 202,052.02, 278,844.24 and 111,407.71

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Solution

The fourth proportional to 202,052.02, 278,844.24 and 111,407.71 is: 153,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,052.02 : 278,844.24 = 111,407.71 : x
  2. Step 2: Convert to fraction form
    202,052.02/278,844.24 = 111,407.71/x
  3. Step 3: Cross multiply
    202,052.02x = 278,844.24 × 111,407.71
  4. Step 4: Simplify right side
    202,052.02x = 31,065,398,225.09
  5. Step 5: Solve for x
    x = 31,065,398,225.09/202,052.02
  6. Step 6: Final answer
    x = 153,749.51

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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.