Home / 76,452.46-114,608.01-70,146.20

Finding the Fourth Proportional to 76,452.46, 114,608.01 and 70,146.20

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Solution

The fourth proportional to 76,452.46, 114,608.01 and 70,146.20 is: 105,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,452.46 : 114,608.01 = 70,146.20 : x
  2. Step 2: Convert to fraction form
    76,452.46/114,608.01 = 70,146.20/x
  3. Step 3: Cross multiply
    76,452.46x = 114,608.01 × 70,146.20
  4. Step 4: Simplify right side
    76,452.46x = 8,039,316,940.63
  5. Step 5: Solve for x
    x = 8,039,316,940.63/76,452.46
  6. Step 6: Final answer
    x = 105,154.46

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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.