Home / 152,399.54-228,515.98-121,011.23

Finding the Fourth Proportional to 152,399.54, 228,515.98 and 121,011.23

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Solution

The fourth proportional to 152,399.54, 228,515.98 and 121,011.23 is: 181,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,399.54 : 228,515.98 = 121,011.23 : x
  2. Step 2: Convert to fraction form
    152,399.54/228,515.98 = 121,011.23/x
  3. Step 3: Cross multiply
    152,399.54x = 228,515.98 × 121,011.23
  4. Step 4: Simplify right side
    152,399.54x = 27,652,999,209.40
  5. Step 5: Solve for x
    x = 27,652,999,209.40/152,399.54
  6. Step 6: Final answer
    x = 181,450.67

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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.