Home / 163,913.70-245,892.45-57,285.30

Finding the Fourth Proportional to 163,913.70, 245,892.45 and 57,285.30

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Solution

The fourth proportional to 163,913.70, 245,892.45 and 57,285.30 is: 85,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,913.70 : 245,892.45 = 57,285.30 : x
  2. Step 2: Convert to fraction form
    163,913.70/245,892.45 = 57,285.30/x
  3. Step 3: Cross multiply
    163,913.70x = 245,892.45 × 57,285.30
  4. Step 4: Simplify right side
    163,913.70x = 14,086,022,765.99
  5. Step 5: Solve for x
    x = 14,086,022,765.99/163,913.70
  6. Step 6: Final answer
    x = 85,935.60

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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.