Home / 147,544.94-203,627.78-90,217.86

Finding the Fourth Proportional to 147,544.94, 203,627.78 and 90,217.86

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Solution

The fourth proportional to 147,544.94, 203,627.78 and 90,217.86 is: 124,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,544.94 : 203,627.78 = 90,217.86 : x
  2. Step 2: Convert to fraction form
    147,544.94/203,627.78 = 90,217.86/x
  3. Step 3: Cross multiply
    147,544.94x = 203,627.78 × 90,217.86
  4. Step 4: Simplify right side
    147,544.94x = 18,370,863,038.30
  5. Step 5: Solve for x
    x = 18,370,863,038.30/147,544.94
  6. Step 6: Final answer
    x = 124,510.29

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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.