Home / 208,923.14-288,313.93-113,429.85

Finding the Fourth Proportional to 208,923.14, 288,313.93 and 113,429.85

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Solution

The fourth proportional to 208,923.14, 288,313.93 and 113,429.85 is: 156,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.14 : 288,313.93 = 113,429.85 : x
  2. Step 2: Convert to fraction form
    208,923.14/288,313.93 = 113,429.85/x
  3. Step 3: Cross multiply
    208,923.14x = 288,313.93 × 113,429.85
  4. Step 4: Simplify right side
    208,923.14x = 32,703,404,893.42
  5. Step 5: Solve for x
    x = 32,703,404,893.42/208,923.14
  6. Step 6: Final answer
    x = 156,533.18

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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.