Home / 100,670.14-151,004.76-25,790.14

Finding the Fourth Proportional to 100,670.14, 151,004.76 and 25,790.14

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Solution

The fourth proportional to 100,670.14, 151,004.76 and 25,790.14 is: 38,685.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.14 : 151,004.76 = 25,790.14 : x
  2. Step 2: Convert to fraction form
    100,670.14/151,004.76 = 25,790.14/x
  3. Step 3: Cross multiply
    100,670.14x = 151,004.76 × 25,790.14
  4. Step 4: Simplify right side
    100,670.14x = 3,894,433,901.07
  5. Step 5: Solve for x
    x = 3,894,433,901.07/100,670.14
  6. Step 6: Final answer
    x = 38,685.09

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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.