Home / 100,421.08-150,627.74-30,298.52

Finding the Fourth Proportional to 100,421.08, 150,627.74 and 30,298.52

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Solution

The fourth proportional to 100,421.08, 150,627.74 and 30,298.52 is: 45,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,421.08 : 150,627.74 = 30,298.52 : x
  2. Step 2: Convert to fraction form
    100,421.08/150,627.74 = 30,298.52/x
  3. Step 3: Cross multiply
    100,421.08x = 150,627.74 × 30,298.52
  4. Step 4: Simplify right side
    100,421.08x = 4,563,797,592.94
  5. Step 5: Solve for x
    x = 4,563,797,592.94/100,421.08
  6. Step 6: Final answer
    x = 45,446.61

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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.