Home / 121,452.04-180,970.72-108,202.60

Finding the Fourth Proportional to 121,452.04, 180,970.72 and 108,202.60

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Solution

The fourth proportional to 121,452.04, 180,970.72 and 108,202.60 is: 161,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452.04 : 180,970.72 = 108,202.60 : x
  2. Step 2: Convert to fraction form
    121,452.04/180,970.72 = 108,202.60/x
  3. Step 3: Cross multiply
    121,452.04x = 180,970.72 × 108,202.60
  4. Step 4: Simplify right side
    121,452.04x = 19,581,502,427.87
  5. Step 5: Solve for x
    x = 19,581,502,427.87/121,452.04
  6. Step 6: Final answer
    x = 161,228.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.