Home / 79,280.16-118,920.92-26,688.88

Finding the Fourth Proportional to 79,280.16, 118,920.92 and 26,688.88

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Solution

The fourth proportional to 79,280.16, 118,920.92 and 26,688.88 is: 40,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,280.16 : 118,920.92 = 26,688.88 : x
  2. Step 2: Convert to fraction form
    79,280.16/118,920.92 = 26,688.88/x
  3. Step 3: Cross multiply
    79,280.16x = 118,920.92 × 26,688.88
  4. Step 4: Simplify right side
    79,280.16x = 3,173,866,163.37
  5. Step 5: Solve for x
    x = 3,173,866,163.37/79,280.16
  6. Step 6: Final answer
    x = 40,033.55

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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.