Home / 152,404.07-228,455.51-72,301.41

Finding the Fourth Proportional to 152,404.07, 228,455.51 and 72,301.41

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Solution

The fourth proportional to 152,404.07, 228,455.51 and 72,301.41 is: 108,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,404.07 : 228,455.51 = 72,301.41 : x
  2. Step 2: Convert to fraction form
    152,404.07/228,455.51 = 72,301.41/x
  3. Step 3: Cross multiply
    152,404.07x = 228,455.51 × 72,301.41
  4. Step 4: Simplify right side
    152,404.07x = 16,517,655,133.76
  5. Step 5: Solve for x
    x = 16,517,655,133.76/152,404.07
  6. Step 6: Final answer
    x = 108,380.67

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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.