Home / 181,455.98-250,395.05-100,878.59

Finding the Fourth Proportional to 181,455.98, 250,395.05 and 100,878.59

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Solution

The fourth proportional to 181,455.98, 250,395.05 and 100,878.59 is: 139,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,455.98 : 250,395.05 = 100,878.59 : x
  2. Step 2: Convert to fraction form
    181,455.98/250,395.05 = 100,878.59/x
  3. Step 3: Cross multiply
    181,455.98x = 250,395.05 × 100,878.59
  4. Step 4: Simplify right side
    181,455.98x = 25,259,500,465.16
  5. Step 5: Solve for x
    x = 25,259,500,465.16/181,455.98
  6. Step 6: Final answer
    x = 139,204.57

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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.