Home / 151,277.15-208,760.74-83,292.70

Finding the Fourth Proportional to 151,277.15, 208,760.74 and 83,292.70

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Solution

The fourth proportional to 151,277.15, 208,760.74 and 83,292.70 is: 114,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277.15 : 208,760.74 = 83,292.70 : x
  2. Step 2: Convert to fraction form
    151,277.15/208,760.74 = 83,292.70/x
  3. Step 3: Cross multiply
    151,277.15x = 208,760.74 × 83,292.70
  4. Step 4: Simplify right side
    151,277.15x = 17,388,245,688.60
  5. Step 5: Solve for x
    x = 17,388,245,688.60/151,277.15
  6. Step 6: Final answer
    x = 114,942.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.