Home / 181,840.13-250,921.40-101,275.15

Finding the Fourth Proportional to 181,840.13, 250,921.40 and 101,275.15

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Solution

The fourth proportional to 181,840.13, 250,921.40 and 101,275.15 is: 139,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,840.13 : 250,921.40 = 101,275.15 : x
  2. Step 2: Convert to fraction form
    181,840.13/250,921.40 = 101,275.15/x
  3. Step 3: Cross multiply
    181,840.13x = 250,921.40 × 101,275.15
  4. Step 4: Simplify right side
    181,840.13x = 25,412,100,662.23
  5. Step 5: Solve for x
    x = 25,412,100,662.23/181,840.13
  6. Step 6: Final answer
    x = 139,749.69

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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.