Home / 100,661.24-151,059.90-38,330.12

Finding the Fourth Proportional to 100,661.24, 151,059.90 and 38,330.12

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Solution

The fourth proportional to 100,661.24, 151,059.90 and 38,330.12 is: 57,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,661.24 : 151,059.90 = 38,330.12 : x
  2. Step 2: Convert to fraction form
    100,661.24/151,059.90 = 38,330.12/x
  3. Step 3: Cross multiply
    100,661.24x = 151,059.90 × 38,330.12
  4. Step 4: Simplify right side
    100,661.24x = 5,790,144,094.19
  5. Step 5: Solve for x
    x = 5,790,144,094.19/100,661.24
  6. Step 6: Final answer
    x = 57,521.09

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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.