Home / 220,299.75-304,013.66-130,875.75

Finding the Fourth Proportional to 220,299.75, 304,013.66 and 130,875.75

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Solution

The fourth proportional to 220,299.75, 304,013.66 and 130,875.75 is: 180,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,299.75 : 304,013.66 = 130,875.75 : x
  2. Step 2: Convert to fraction form
    220,299.75/304,013.66 = 130,875.75/x
  3. Step 3: Cross multiply
    220,299.75x = 304,013.66 × 130,875.75
  4. Step 4: Simplify right side
    220,299.75x = 39,788,015,108.37
  5. Step 5: Solve for x
    x = 39,788,015,108.37/220,299.75
  6. Step 6: Final answer
    x = 180,608.54

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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.