Home / 202,199.04-279,040.02-111,556.20

Finding the Fourth Proportional to 202,199.04, 279,040.02 and 111,556.20

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Solution

The fourth proportional to 202,199.04, 279,040.02 and 111,556.20 is: 153,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,199.04 : 279,040.02 = 111,556.20 : x
  2. Step 2: Convert to fraction form
    202,199.04/279,040.02 = 111,556.20/x
  3. Step 3: Cross multiply
    202,199.04x = 279,040.02 × 111,556.20
  4. Step 4: Simplify right side
    202,199.04x = 31,128,644,279.12
  5. Step 5: Solve for x
    x = 31,128,644,279.12/202,199.04
  6. Step 6: Final answer
    x = 153,950.50

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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.