Home / 147,756.90-203,766.12-117,641.64

Finding the Fourth Proportional to 147,756.90, 203,766.12 and 117,641.64

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Solution

The fourth proportional to 147,756.90, 203,766.12 and 117,641.64 is: 162,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,756.90 : 203,766.12 = 117,641.64 : x
  2. Step 2: Convert to fraction form
    147,756.90/203,766.12 = 117,641.64/x
  3. Step 3: Cross multiply
    147,756.90x = 203,766.12 × 117,641.64
  4. Step 4: Simplify right side
    147,756.90x = 23,971,380,533.24
  5. Step 5: Solve for x
    x = 23,971,380,533.24/147,756.90
  6. Step 6: Final answer
    x = 162,235.27

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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.