Home / 215,996.88-298,071.52-119,209.84

Finding the Fourth Proportional to 215,996.88, 298,071.52 and 119,209.84

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Solution

The fourth proportional to 215,996.88, 298,071.52 and 119,209.84 is: 164,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,996.88 : 298,071.52 = 119,209.84 : x
  2. Step 2: Convert to fraction form
    215,996.88/298,071.52 = 119,209.84/x
  3. Step 3: Cross multiply
    215,996.88x = 298,071.52 × 119,209.84
  4. Step 4: Simplify right side
    215,996.88x = 35,533,058,207.76
  5. Step 5: Solve for x
    x = 35,533,058,207.76/215,996.88
  6. Step 6: Final answer
    x = 164,507.28

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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.