Home / 215,656.06-297,610.32-120,168.58

Finding the Fourth Proportional to 215,656.06, 297,610.32 and 120,168.58

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Solution

The fourth proportional to 215,656.06, 297,610.32 and 120,168.58 is: 165,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.06 : 297,610.32 = 120,168.58 : x
  2. Step 2: Convert to fraction form
    215,656.06/297,610.32 = 120,168.58/x
  3. Step 3: Cross multiply
    215,656.06x = 297,610.32 × 120,168.58
  4. Step 4: Simplify right side
    215,656.06x = 35,763,409,547.75
  5. Step 5: Solve for x
    x = 35,763,409,547.75/215,656.06
  6. Step 6: Final answer
    x = 165,835.40

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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.