Home / 181,485.12-250,435.22-100,907.74

Finding the Fourth Proportional to 181,485.12, 250,435.22 and 100,907.74

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Solution

The fourth proportional to 181,485.12, 250,435.22 and 100,907.74 is: 139,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,485.12 : 250,435.22 = 100,907.74 : x
  2. Step 2: Convert to fraction form
    181,485.12/250,435.22 = 100,907.74/x
  3. Step 3: Cross multiply
    181,485.12x = 250,435.22 × 100,907.74
  4. Step 4: Simplify right side
    181,485.12x = 25,270,852,066.60
  5. Step 5: Solve for x
    x = 25,270,852,066.60/181,485.12
  6. Step 6: Final answer
    x = 139,244.76

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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.