Home / 85,426.04-128,138.76-23,096.54

Finding the Fourth Proportional to 85,426.04, 128,138.76 and 23,096.54

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Solution

The fourth proportional to 85,426.04, 128,138.76 and 23,096.54 is: 34,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,426.04 : 128,138.76 = 23,096.54 : x
  2. Step 2: Convert to fraction form
    85,426.04/128,138.76 = 23,096.54/x
  3. Step 3: Cross multiply
    85,426.04x = 128,138.76 × 23,096.54
  4. Step 4: Simplify right side
    85,426.04x = 2,959,562,316.24
  5. Step 5: Solve for x
    x = 2,959,562,316.24/85,426.04
  6. Step 6: Final answer
    x = 34,644.73

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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.