Home / 123,438.84-185,173.08-43,460.22

Finding the Fourth Proportional to 123,438.84, 185,173.08 and 43,460.22

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Solution

The fourth proportional to 123,438.84, 185,173.08 and 43,460.22 is: 65,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,438.84 : 185,173.08 = 43,460.22 : x
  2. Step 2: Convert to fraction form
    123,438.84/185,173.08 = 43,460.22/x
  3. Step 3: Cross multiply
    123,438.84x = 185,173.08 × 43,460.22
  4. Step 4: Simplify right side
    123,438.84x = 8,047,662,794.88
  5. Step 5: Solve for x
    x = 8,047,662,794.88/123,438.84
  6. Step 6: Final answer
    x = 65,195.55

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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.