Home / 154,311.27-212,972.22-93,870.18

Finding the Fourth Proportional to 154,311.27, 212,972.22 and 93,870.18

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Solution

The fourth proportional to 154,311.27, 212,972.22 and 93,870.18 is: 129,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,311.27 : 212,972.22 = 93,870.18 : x
  2. Step 2: Convert to fraction form
    154,311.27/212,972.22 = 93,870.18/x
  3. Step 3: Cross multiply
    154,311.27x = 212,972.22 × 93,870.18
  4. Step 4: Simplify right side
    154,311.27x = 19,991,740,626.40
  5. Step 5: Solve for x
    x = 19,991,740,626.40/154,311.27
  6. Step 6: Final answer
    x = 129,554.64

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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.