Home / 158,595.30-218,885.49-90,626.58

Finding the Fourth Proportional to 158,595.30, 218,885.49 and 90,626.58

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Solution

The fourth proportional to 158,595.30, 218,885.49 and 90,626.58 is: 125,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,595.30 : 218,885.49 = 90,626.58 : x
  2. Step 2: Convert to fraction form
    158,595.30/218,885.49 = 90,626.58/x
  3. Step 3: Cross multiply
    158,595.30x = 218,885.49 × 90,626.58
  4. Step 4: Simplify right side
    158,595.30x = 19,836,843,370.32
  5. Step 5: Solve for x
    x = 19,836,843,370.32/158,595.30
  6. Step 6: Final answer
    x = 125,078.38

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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.