Home / 149,257.45-223,915.73-42,642.33

Finding the Fourth Proportional to 149,257.45, 223,915.73 and 42,642.33

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Solution

The fourth proportional to 149,257.45, 223,915.73 and 42,642.33 is: 63,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,257.45 : 223,915.73 = 42,642.33 : x
  2. Step 2: Convert to fraction form
    149,257.45/223,915.73 = 42,642.33/x
  3. Step 3: Cross multiply
    149,257.45x = 223,915.73 × 42,642.33
  4. Step 4: Simplify right side
    149,257.45x = 9,548,288,657.48
  5. Step 5: Solve for x
    x = 9,548,288,657.48/149,257.45
  6. Step 6: Final answer
    x = 63,971.94

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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.