Home / 108,885.62-150,258.27-61,140.98

Finding the Fourth Proportional to 108,885.62, 150,258.27 and 61,140.98

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Solution

The fourth proportional to 108,885.62, 150,258.27 and 61,140.98 is: 84,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,885.62 : 150,258.27 = 61,140.98 : x
  2. Step 2: Convert to fraction form
    108,885.62/150,258.27 = 61,140.98/x
  3. Step 3: Cross multiply
    108,885.62x = 150,258.27 × 61,140.98
  4. Step 4: Simplify right side
    108,885.62x = 9,186,938,485.83
  5. Step 5: Solve for x
    x = 9,186,938,485.83/108,885.62
  6. Step 6: Final answer
    x = 84,372.37

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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.