Home / 306,106.14-459,158.49-81,466.50

Finding the Fourth Proportional to 306,106.14, 459,158.49 and 81,466.50

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Solution

The fourth proportional to 306,106.14, 459,158.49 and 81,466.50 is: 122,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,106.14 : 459,158.49 = 81,466.50 : x
  2. Step 2: Convert to fraction form
    306,106.14/459,158.49 = 81,466.50/x
  3. Step 3: Cross multiply
    306,106.14x = 459,158.49 × 81,466.50
  4. Step 4: Simplify right side
    306,106.14x = 37,406,035,125.59
  5. Step 5: Solve for x
    x = 37,406,035,125.59/306,106.14
  6. Step 6: Final answer
    x = 122,199.56

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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.