Home / 112,173.50-168,271.60-45,603.38

Finding the Fourth Proportional to 112,173.50, 168,271.60 and 45,603.38

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Solution

The fourth proportional to 112,173.50, 168,271.60 and 45,603.38 is: 68,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.50 : 168,271.60 = 45,603.38 : x
  2. Step 2: Convert to fraction form
    112,173.50/168,271.60 = 45,603.38/x
  3. Step 3: Cross multiply
    112,173.50x = 168,271.60 × 45,603.38
  4. Step 4: Simplify right side
    112,173.50x = 7,673,753,718.01
  5. Step 5: Solve for x
    x = 7,673,753,718.01/112,173.50
  6. Step 6: Final answer
    x = 68,409.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.