Home / 181,319.13-250,191.05-100,745.19

Finding the Fourth Proportional to 181,319.13, 250,191.05 and 100,745.19

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Solution

The fourth proportional to 181,319.13, 250,191.05 and 100,745.19 is: 139,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.13 : 250,191.05 = 100,745.19 : x
  2. Step 2: Convert to fraction form
    181,319.13/250,191.05 = 100,745.19/x
  3. Step 3: Cross multiply
    181,319.13x = 250,191.05 × 100,745.19
  4. Step 4: Simplify right side
    181,319.13x = 25,205,544,364.82
  5. Step 5: Solve for x
    x = 25,205,544,364.82/181,319.13
  6. Step 6: Final answer
    x = 139,012.05

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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.