Home / 208,134.04-312,166.14-74,989.48

Finding the Fourth Proportional to 208,134.04, 312,166.14 and 74,989.48

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Solution

The fourth proportional to 208,134.04, 312,166.14 and 74,989.48 is: 112,471.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,134.04 : 312,166.14 = 74,989.48 : x
  2. Step 2: Convert to fraction form
    208,134.04/312,166.14 = 74,989.48/x
  3. Step 3: Cross multiply
    208,134.04x = 312,166.14 × 74,989.48
  4. Step 4: Simplify right side
    208,134.04x = 23,409,176,512.21
  5. Step 5: Solve for x
    x = 23,409,176,512.21/208,134.04
  6. Step 6: Final answer
    x = 112,471.64

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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.