Home / 122,012.60-168,259.10-95,145.31

Finding the Fourth Proportional to 122,012.60, 168,259.10 and 95,145.31

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Solution

The fourth proportional to 122,012.60, 168,259.10 and 95,145.31 is: 131,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,012.60 : 168,259.10 = 95,145.31 : x
  2. Step 2: Convert to fraction form
    122,012.60/168,259.10 = 95,145.31/x
  3. Step 3: Cross multiply
    122,012.60x = 168,259.10 × 95,145.31
  4. Step 4: Simplify right side
    122,012.60x = 16,009,064,229.82
  5. Step 5: Solve for x
    x = 16,009,064,229.82/122,012.60
  6. Step 6: Final answer
    x = 131,208.29

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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.