Home / 109,130.14-150,620.28-68,313.25

Finding the Fourth Proportional to 109,130.14, 150,620.28 and 68,313.25

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Solution

The fourth proportional to 109,130.14, 150,620.28 and 68,313.25 is: 94,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,130.14 : 150,620.28 = 68,313.25 : x
  2. Step 2: Convert to fraction form
    109,130.14/150,620.28 = 68,313.25/x
  3. Step 3: Cross multiply
    109,130.14x = 150,620.28 × 68,313.25
  4. Step 4: Simplify right side
    109,130.14x = 10,289,360,089.61
  5. Step 5: Solve for x
    x = 10,289,360,089.61/109,130.14
  6. Step 6: Final answer
    x = 94,285.23

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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.