Home / 121,935.98-182,962.29-43,087.34

Finding the Fourth Proportional to 121,935.98, 182,962.29 and 43,087.34

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Solution

The fourth proportional to 121,935.98, 182,962.29 and 43,087.34 is: 64,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,935.98 : 182,962.29 = 43,087.34 : x
  2. Step 2: Convert to fraction form
    121,935.98/182,962.29 = 43,087.34/x
  3. Step 3: Cross multiply
    121,935.98x = 182,962.29 × 43,087.34
  4. Step 4: Simplify right side
    121,935.98x = 7,883,358,396.41
  5. Step 5: Solve for x
    x = 7,883,358,396.41/121,935.98
  6. Step 6: Final answer
    x = 64,651.62

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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.