Home / 155,328.46-214,425.48-117,103.54

Finding the Fourth Proportional to 155,328.46, 214,425.48 and 117,103.54

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Solution

The fourth proportional to 155,328.46, 214,425.48 and 117,103.54 is: 161,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,328.46 : 214,425.48 = 117,103.54 : x
  2. Step 2: Convert to fraction form
    155,328.46/214,425.48 = 117,103.54/x
  3. Step 3: Cross multiply
    155,328.46x = 214,425.48 × 117,103.54
  4. Step 4: Simplify right side
    155,328.46x = 25,109,982,774.20
  5. Step 5: Solve for x
    x = 25,109,982,774.20/155,328.46
  6. Step 6: Final answer
    x = 161,657.32

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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.