Home / 202,017.13-278,785.58-111,376.42

Finding the Fourth Proportional to 202,017.13, 278,785.58 and 111,376.42

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Solution

The fourth proportional to 202,017.13, 278,785.58 and 111,376.42 is: 153,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,017.13 : 278,785.58 = 111,376.42 : x
  2. Step 2: Convert to fraction form
    202,017.13/278,785.58 = 111,376.42/x
  3. Step 3: Cross multiply
    202,017.13x = 278,785.58 × 111,376.42
  4. Step 4: Simplify right side
    202,017.13x = 31,050,139,848.02
  5. Step 5: Solve for x
    x = 31,050,139,848.02/202,017.13
  6. Step 6: Final answer
    x = 153,700.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.