Home / 201,463.12-278,010.55-110,813.34

Finding the Fourth Proportional to 201,463.12, 278,010.55 and 110,813.34

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Solution

The fourth proportional to 201,463.12, 278,010.55 and 110,813.34 is: 152,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,463.12 : 278,010.55 = 110,813.34 : x
  2. Step 2: Convert to fraction form
    201,463.12/278,010.55 = 110,813.34/x
  3. Step 3: Cross multiply
    201,463.12x = 278,010.55 × 110,813.34
  4. Step 4: Simplify right side
    201,463.12x = 30,807,277,600.74
  5. Step 5: Solve for x
    x = 30,807,277,600.74/201,463.12
  6. Step 6: Final answer
    x = 152,917.70

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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.