Home / 143,818.84-215,558.82-64,840.60

Finding the Fourth Proportional to 143,818.84, 215,558.82 and 64,840.60

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Solution

The fourth proportional to 143,818.84, 215,558.82 and 64,840.60 is: 97,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,818.84 : 215,558.82 = 64,840.60 : x
  2. Step 2: Convert to fraction form
    143,818.84/215,558.82 = 64,840.60/x
  3. Step 3: Cross multiply
    143,818.84x = 215,558.82 × 64,840.60
  4. Step 4: Simplify right side
    143,818.84x = 13,976,963,224.09
  5. Step 5: Solve for x
    x = 13,976,963,224.09/143,818.84
  6. Step 6: Final answer
    x = 97,184.51

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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.