Home / 219,721.85-303,224.33-124,222.85

Finding the Fourth Proportional to 219,721.85, 303,224.33 and 124,222.85

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Solution

The fourth proportional to 219,721.85, 303,224.33 and 124,222.85 is: 171,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,721.85 : 303,224.33 = 124,222.85 : x
  2. Step 2: Convert to fraction form
    219,721.85/303,224.33 = 124,222.85/x
  3. Step 3: Cross multiply
    219,721.85x = 303,224.33 × 124,222.85
  4. Step 4: Simplify right side
    219,721.85x = 37,667,390,598.89
  5. Step 5: Solve for x
    x = 37,667,390,598.89/219,721.85
  6. Step 6: Final answer
    x = 171,432.15

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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.