Home / 208,127.04-312,191.36-50,355.24

Finding the Fourth Proportional to 208,127.04, 312,191.36 and 50,355.24

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Solution

The fourth proportional to 208,127.04, 312,191.36 and 50,355.24 is: 75,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,127.04 : 312,191.36 = 50,355.24 : x
  2. Step 2: Convert to fraction form
    208,127.04/312,191.36 = 50,355.24/x
  3. Step 3: Cross multiply
    208,127.04x = 312,191.36 × 50,355.24
  4. Step 4: Simplify right side
    208,127.04x = 15,720,470,858.73
  5. Step 5: Solve for x
    x = 15,720,470,858.73/208,127.04
  6. Step 6: Final answer
    x = 75,533.05

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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.