Home / 158,816.97-219,104.91-90,797.40

Finding the Fourth Proportional to 158,816.97, 219,104.91 and 90,797.40

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Solution

The fourth proportional to 158,816.97, 219,104.91 and 90,797.40 is: 125,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.97 : 219,104.91 = 90,797.40 : x
  2. Step 2: Convert to fraction form
    158,816.97/219,104.91 = 90,797.40/x
  3. Step 3: Cross multiply
    158,816.97x = 219,104.91 × 90,797.40
  4. Step 4: Simplify right side
    158,816.97x = 19,894,155,283.63
  5. Step 5: Solve for x
    x = 19,894,155,283.63/158,816.97
  6. Step 6: Final answer
    x = 125,264.67

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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.