Home / 121,821.60-167,467.56-104,763.36

Finding the Fourth Proportional to 121,821.60, 167,467.56 and 104,763.36

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Solution

The fourth proportional to 121,821.60, 167,467.56 and 104,763.36 is: 144,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,821.60 : 167,467.56 = 104,763.36 : x
  2. Step 2: Convert to fraction form
    121,821.60/167,467.56 = 104,763.36/x
  3. Step 3: Cross multiply
    121,821.60x = 167,467.56 × 104,763.36
  4. Step 4: Simplify right side
    121,821.60x = 17,544,464,276.60
  5. Step 5: Solve for x
    x = 17,544,464,276.60/121,821.60
  6. Step 6: Final answer
    x = 144,017.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.