Home / 86,158.89-118,896.96-47,916.46

Finding the Fourth Proportional to 86,158.89, 118,896.96 and 47,916.46

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Solution

The fourth proportional to 86,158.89, 118,896.96 and 47,916.46 is: 66,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.89 : 118,896.96 = 47,916.46 : x
  2. Step 2: Convert to fraction form
    86,158.89/118,896.96 = 47,916.46/x
  3. Step 3: Cross multiply
    86,158.89x = 118,896.96 × 47,916.46
  4. Step 4: Simplify right side
    86,158.89x = 5,697,121,756.27
  5. Step 5: Solve for x
    x = 5,697,121,756.27/86,158.89
  6. Step 6: Final answer
    x = 66,123.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.