Home / 215,971.02-298,049.22-120,477.69

Finding the Fourth Proportional to 215,971.02, 298,049.22 and 120,477.69

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Solution

The fourth proportional to 215,971.02, 298,049.22 and 120,477.69 is: 166,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,971.02 : 298,049.22 = 120,477.69 : x
  2. Step 2: Convert to fraction form
    215,971.02/298,049.22 = 120,477.69/x
  3. Step 3: Cross multiply
    215,971.02x = 298,049.22 × 120,477.69
  4. Step 4: Simplify right side
    215,971.02x = 35,908,281,531.90
  5. Step 5: Solve for x
    x = 35,908,281,531.90/215,971.02
  6. Step 6: Final answer
    x = 166,264.35

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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.