Home / 255,527.20-383,436.60-97,868.80

Finding the Fourth Proportional to 255,527.20, 383,436.60 and 97,868.80

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Solution

The fourth proportional to 255,527.20, 383,436.60 and 97,868.80 is: 146,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,527.20 : 383,436.60 = 97,868.80 : x
  2. Step 2: Convert to fraction form
    255,527.20/383,436.60 = 97,868.80/x
  3. Step 3: Cross multiply
    255,527.20x = 383,436.60 × 97,868.80
  4. Step 4: Simplify right side
    255,527.20x = 37,526,479,918.08
  5. Step 5: Solve for x
    x = 37,526,479,918.08/255,527.20
  6. Step 6: Final answer
    x = 146,859.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.