Home / 117,445.90-162,074.52-63,729.55

Finding the Fourth Proportional to 117,445.90, 162,074.52 and 63,729.55

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Solution

The fourth proportional to 117,445.90, 162,074.52 and 63,729.55 is: 87,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.90 : 162,074.52 = 63,729.55 : x
  2. Step 2: Convert to fraction form
    117,445.90/162,074.52 = 63,729.55/x
  3. Step 3: Cross multiply
    117,445.90x = 162,074.52 × 63,729.55
  4. Step 4: Simplify right side
    117,445.90x = 10,328,936,226.07
  5. Step 5: Solve for x
    x = 10,328,936,226.07/117,445.90
  6. Step 6: Final answer
    x = 87,946.33

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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.