Home / 107,603.24-148,389.57-82,064.34

Finding the Fourth Proportional to 107,603.24, 148,389.57 and 82,064.34

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Solution

The fourth proportional to 107,603.24, 148,389.57 and 82,064.34 is: 113,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.24 : 148,389.57 = 82,064.34 : x
  2. Step 2: Convert to fraction form
    107,603.24/148,389.57 = 82,064.34/x
  3. Step 3: Cross multiply
    107,603.24x = 148,389.57 × 82,064.34
  4. Step 4: Simplify right side
    107,603.24x = 12,177,492,124.93
  5. Step 5: Solve for x
    x = 12,177,492,124.93/107,603.24
  6. Step 6: Final answer
    x = 113,170.32

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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.