Home / 155,302.60-214,059.47-109,922.35

Finding the Fourth Proportional to 155,302.60, 214,059.47 and 109,922.35

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Solution

The fourth proportional to 155,302.60, 214,059.47 and 109,922.35 is: 151,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,302.60 : 214,059.47 = 109,922.35 : x
  2. Step 2: Convert to fraction form
    155,302.60/214,059.47 = 109,922.35/x
  3. Step 3: Cross multiply
    155,302.60x = 214,059.47 × 109,922.35
  4. Step 4: Simplify right side
    155,302.60x = 23,529,919,982.15
  5. Step 5: Solve for x
    x = 23,529,919,982.15/155,302.60
  6. Step 6: Final answer
    x = 151,510.15

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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.