Home / 181,378.25-250,300.18-100,804.16

Finding the Fourth Proportional to 181,378.25, 250,300.18 and 100,804.16

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Solution

The fourth proportional to 181,378.25, 250,300.18 and 100,804.16 is: 139,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,378.25 : 250,300.18 = 100,804.16 : x
  2. Step 2: Convert to fraction form
    181,378.25/250,300.18 = 100,804.16/x
  3. Step 3: Cross multiply
    181,378.25x = 250,300.18 × 100,804.16
  4. Step 4: Simplify right side
    181,378.25x = 25,231,299,577.48
  5. Step 5: Solve for x
    x = 25,231,299,577.48/181,378.25
  6. Step 6: Final answer
    x = 139,108.74

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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.