Home / 163,723.16-245,584.74-45,394.50

Finding the Fourth Proportional to 163,723.16, 245,584.74 and 45,394.50

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Solution

The fourth proportional to 163,723.16, 245,584.74 and 45,394.50 is: 68,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,723.16 : 245,584.74 = 45,394.50 : x
  2. Step 2: Convert to fraction form
    163,723.16/245,584.74 = 45,394.50/x
  3. Step 3: Cross multiply
    163,723.16x = 245,584.74 × 45,394.50
  4. Step 4: Simplify right side
    163,723.16x = 11,148,196,479.93
  5. Step 5: Solve for x
    x = 11,148,196,479.93/163,723.16
  6. Step 6: Final answer
    x = 68,091.75

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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.