Home / 181,400.04-250,347.51-100,840.68

Finding the Fourth Proportional to 181,400.04, 250,347.51 and 100,840.68

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Solution

The fourth proportional to 181,400.04, 250,347.51 and 100,840.68 is: 139,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.04 : 250,347.51 = 100,840.68 : x
  2. Step 2: Convert to fraction form
    181,400.04/250,347.51 = 100,840.68/x
  3. Step 3: Cross multiply
    181,400.04x = 250,347.51 × 100,840.68
  4. Step 4: Simplify right side
    181,400.04x = 25,245,213,144.71
  5. Step 5: Solve for x
    x = 25,245,213,144.71/181,400.04
  6. Step 6: Final answer
    x = 139,168.73

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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.