Home / 202,435.04-279,357.18-111,788.75

Finding the Fourth Proportional to 202,435.04, 279,357.18 and 111,788.75

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Solution

The fourth proportional to 202,435.04, 279,357.18 and 111,788.75 is: 154,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,435.04 : 279,357.18 = 111,788.75 : x
  2. Step 2: Convert to fraction form
    202,435.04/279,357.18 = 111,788.75/x
  3. Step 3: Cross multiply
    202,435.04x = 279,357.18 × 111,788.75
  4. Step 4: Simplify right side
    202,435.04x = 31,228,989,955.73
  5. Step 5: Solve for x
    x = 31,228,989,955.73/202,435.04
  6. Step 6: Final answer
    x = 154,266.72

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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.