Home / 100,634.24-151,019.40-38,303.12

Finding the Fourth Proportional to 100,634.24, 151,019.40 and 38,303.12

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Solution

The fourth proportional to 100,634.24, 151,019.40 and 38,303.12 is: 57,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,634.24 : 151,019.40 = 38,303.12 : x
  2. Step 2: Convert to fraction form
    100,634.24/151,019.40 = 38,303.12/x
  3. Step 3: Cross multiply
    100,634.24x = 151,019.40 × 38,303.12
  4. Step 4: Simplify right side
    100,634.24x = 5,784,514,200.53
  5. Step 5: Solve for x
    x = 5,784,514,200.53/100,634.24
  6. Step 6: Final answer
    x = 57,480.58

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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.