Home / 70,210.52-105,147.46-51,184.28

Finding the Fourth Proportional to 70,210.52, 105,147.46 and 51,184.28

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Solution

The fourth proportional to 70,210.52, 105,147.46 and 51,184.28 is: 76,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.52 : 105,147.46 = 51,184.28 : x
  2. Step 2: Convert to fraction form
    70,210.52/105,147.46 = 51,184.28/x
  3. Step 3: Cross multiply
    70,210.52x = 105,147.46 × 51,184.28
  4. Step 4: Simplify right side
    70,210.52x = 5,381,897,033.93
  5. Step 5: Solve for x
    x = 5,381,897,033.93/70,210.52
  6. Step 6: Final answer
    x = 76,653.71

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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.