Home / 76,280.06-114,427.77-20,124.05

Finding the Fourth Proportional to 76,280.06, 114,427.77 and 20,124.05

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Solution

The fourth proportional to 76,280.06, 114,427.77 and 20,124.05 is: 30,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.06 : 114,427.77 = 20,124.05 : x
  2. Step 2: Convert to fraction form
    76,280.06/114,427.77 = 20,124.05/x
  3. Step 3: Cross multiply
    76,280.06x = 114,427.77 × 20,124.05
  4. Step 4: Simplify right side
    76,280.06x = 2,302,750,164.87
  5. Step 5: Solve for x
    x = 2,302,750,164.87/76,280.06
  6. Step 6: Final answer
    x = 30,188.10

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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.