Home / 109,151.35-150,628.64-61,404.75

Finding the Fourth Proportional to 109,151.35, 150,628.64 and 61,404.75

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Solution

The fourth proportional to 109,151.35, 150,628.64 and 61,404.75 is: 84,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,151.35 : 150,628.64 = 61,404.75 : x
  2. Step 2: Convert to fraction form
    109,151.35/150,628.64 = 61,404.75/x
  3. Step 3: Cross multiply
    109,151.35x = 150,628.64 × 61,404.75
  4. Step 4: Simplify right side
    109,151.35x = 9,249,313,675.02
  5. Step 5: Solve for x
    x = 9,249,313,675.02/109,151.35
  6. Step 6: Final answer
    x = 84,738.43

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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.