Home / 122,012.36-168,258.75-95,145.06

Finding the Fourth Proportional to 122,012.36, 168,258.75 and 95,145.06

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Solution

The fourth proportional to 122,012.36, 168,258.75 and 95,145.06 is: 131,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,012.36 : 168,258.75 = 95,145.06 : x
  2. Step 2: Convert to fraction form
    122,012.36/168,258.75 = 95,145.06/x
  3. Step 3: Cross multiply
    122,012.36x = 168,258.75 × 95,145.06
  4. Step 4: Simplify right side
    122,012.36x = 16,008,988,864.28
  5. Step 5: Solve for x
    x = 16,008,988,864.28/122,012.36
  6. Step 6: Final answer
    x = 131,207.93

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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.