Home / 152,421.70-228,762.15-68,311.30

Finding the Fourth Proportional to 152,421.70, 228,762.15 and 68,311.30

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Solution

The fourth proportional to 152,421.70, 228,762.15 and 68,311.30 is: 102,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,421.70 : 228,762.15 = 68,311.30 : x
  2. Step 2: Convert to fraction form
    152,421.70/228,762.15 = 68,311.30/x
  3. Step 3: Cross multiply
    152,421.70x = 228,762.15 × 68,311.30
  4. Step 4: Simplify right side
    152,421.70x = 15,627,039,857.30
  5. Step 5: Solve for x
    x = 15,627,039,857.30/152,421.70
  6. Step 6: Final answer
    x = 102,525.03

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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.