Home / 181,550.10-250,551.66-100,985.13

Finding the Fourth Proportional to 181,550.10, 250,551.66 and 100,985.13

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Solution

The fourth proportional to 181,550.10, 250,551.66 and 100,985.13 is: 139,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,550.10 : 250,551.66 = 100,985.13 : x
  2. Step 2: Convert to fraction form
    181,550.10/250,551.66 = 100,985.13/x
  3. Step 3: Cross multiply
    181,550.10x = 250,551.66 × 100,985.13
  4. Step 4: Simplify right side
    181,550.10x = 25,301,992,335.51
  5. Step 5: Solve for x
    x = 25,301,992,335.51/181,550.10
  6. Step 6: Final answer
    x = 139,366.44

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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.