Home / 190,160.84-285,229.74-49,916.36

Finding the Fourth Proportional to 190,160.84, 285,229.74 and 49,916.36

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Solution

The fourth proportional to 190,160.84, 285,229.74 and 49,916.36 is: 74,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160.84 : 285,229.74 = 49,916.36 : x
  2. Step 2: Convert to fraction form
    190,160.84/285,229.74 = 49,916.36/x
  3. Step 3: Cross multiply
    190,160.84x = 285,229.74 × 49,916.36
  4. Step 4: Simplify right side
    190,160.84x = 14,237,630,384.55
  5. Step 5: Solve for x
    x = 14,237,630,384.55/190,160.84
  6. Step 6: Final answer
    x = 74,871.52

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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.