Home / 74,098.50-111,147.58-57,256.00

Finding the Fourth Proportional to 74,098.50, 111,147.58 and 57,256.00

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Solution

The fourth proportional to 74,098.50, 111,147.58 and 57,256.00 is: 85,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,098.50 : 111,147.58 = 57,256.00 : x
  2. Step 2: Convert to fraction form
    74,098.50/111,147.58 = 57,256.00/x
  3. Step 3: Cross multiply
    74,098.50x = 111,147.58 × 57,256.00
  4. Step 4: Simplify right side
    74,098.50x = 6,363,866,259.39
  5. Step 5: Solve for x
    x = 6,363,866,259.39/74,098.50
  6. Step 6: Final answer
    x = 85,883.87

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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.