Home / 102,579.44-153,887.88-47,174

Finding the Fourth Proportional to 102,579.44, 153,887.88 and 47,174

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Solution

The fourth proportional to 102,579.44, 153,887.88 and 47,174 is: 70,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.44 : 153,887.88 = 47,174 : x
  2. Step 2: Convert to fraction form
    102,579.44/153,887.88 = 47,174/x
  3. Step 3: Cross multiply
    102,579.44x = 153,887.88 × 47,174
  4. Step 4: Simplify right side
    102,579.44x = 7,259,506,851.12
  5. Step 5: Solve for x
    x = 7,259,506,851.12/102,579.44
  6. Step 6: Final answer
    x = 70,769.61

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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.