Home / 248,416.20-372,624.30-130,123.80

Finding the Fourth Proportional to 248,416.20, 372,624.30 and 130,123.80

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Solution

The fourth proportional to 248,416.20, 372,624.30 and 130,123.80 is: 195,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,416.20 : 372,624.30 = 130,123.80 : x
  2. Step 2: Convert to fraction form
    248,416.20/372,624.30 = 130,123.80/x
  3. Step 3: Cross multiply
    248,416.20x = 372,624.30 × 130,123.80
  4. Step 4: Simplify right side
    248,416.20x = 48,487,289,888.34
  5. Step 5: Solve for x
    x = 48,487,289,888.34/248,416.20
  6. Step 6: Final answer
    x = 195,185.70

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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.