Home / 103,313.40-154,909.88-40,059.63

Finding the Fourth Proportional to 103,313.40, 154,909.88 and 40,059.63

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Solution

The fourth proportional to 103,313.40, 154,909.88 and 40,059.63 is: 60,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,313.40 : 154,909.88 = 40,059.63 : x
  2. Step 2: Convert to fraction form
    103,313.40/154,909.88 = 40,059.63/x
  3. Step 3: Cross multiply
    103,313.40x = 154,909.88 × 40,059.63
  4. Step 4: Simplify right side
    103,313.40x = 6,205,631,701.60
  5. Step 5: Solve for x
    x = 6,205,631,701.60/103,313.40
  6. Step 6: Final answer
    x = 60,066.09

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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.