Home / 215,911.23-297,944.05-119,116.33

Finding the Fourth Proportional to 215,911.23, 297,944.05 and 119,116.33

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Solution

The fourth proportional to 215,911.23, 297,944.05 and 119,116.33 is: 164,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,911.23 : 297,944.05 = 119,116.33 : x
  2. Step 2: Convert to fraction form
    215,911.23/297,944.05 = 119,116.33/x
  3. Step 3: Cross multiply
    215,911.23x = 297,944.05 × 119,116.33
  4. Step 4: Simplify right side
    215,911.23x = 35,490,001,781.34
  5. Step 5: Solve for x
    x = 35,490,001,781.34/215,911.23
  6. Step 6: Final answer
    x = 164,373.12

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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.