Home / 268,558.70-402,837.32-100,075.20

Finding the Fourth Proportional to 268,558.70, 402,837.32 and 100,075.20

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Solution

The fourth proportional to 268,558.70, 402,837.32 and 100,075.20 is: 150,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,558.70 : 402,837.32 = 100,075.20 : x
  2. Step 2: Convert to fraction form
    268,558.70/402,837.32 = 100,075.20/x
  3. Step 3: Cross multiply
    268,558.70x = 402,837.32 × 100,075.20
  4. Step 4: Simplify right side
    268,558.70x = 40,314,025,366.46
  5. Step 5: Solve for x
    x = 40,314,025,366.46/268,558.70
  6. Step 6: Final answer
    x = 150,112.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.