Home / 109,151.43-150,628.35-61,405.17

Finding the Fourth Proportional to 109,151.43, 150,628.35 and 61,405.17

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Solution

The fourth proportional to 109,151.43, 150,628.35 and 61,405.17 is: 84,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,151.43 : 150,628.35 = 61,405.17 : x
  2. Step 2: Convert to fraction form
    109,151.43/150,628.35 = 61,405.17/x
  3. Step 3: Cross multiply
    109,151.43x = 150,628.35 × 61,405.17
  4. Step 4: Simplify right side
    109,151.43x = 9,249,359,438.57
  5. Step 5: Solve for x
    x = 9,249,359,438.57/109,151.43
  6. Step 6: Final answer
    x = 84,738.78

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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.