Home / 152,308.41-228,509.32-68,139.42

Finding the Fourth Proportional to 152,308.41, 228,509.32 and 68,139.42

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Solution

The fourth proportional to 152,308.41, 228,509.32 and 68,139.42 is: 102,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,308.41 : 228,509.32 = 68,139.42 : x
  2. Step 2: Convert to fraction form
    152,308.41/228,509.32 = 68,139.42/x
  3. Step 3: Cross multiply
    152,308.41x = 228,509.32 × 68,139.42
  4. Step 4: Simplify right side
    152,308.41x = 15,570,492,529.39
  5. Step 5: Solve for x
    x = 15,570,492,529.39/152,308.41
  6. Step 6: Final answer
    x = 102,230.02

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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.