Home / 102,573.45-153,876.38-43,409.43

Finding the Fourth Proportional to 102,573.45, 153,876.38 and 43,409.43

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Solution

The fourth proportional to 102,573.45, 153,876.38 and 43,409.43 is: 65,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,573.45 : 153,876.38 = 43,409.43 : x
  2. Step 2: Convert to fraction form
    102,573.45/153,876.38 = 43,409.43/x
  3. Step 3: Cross multiply
    102,573.45x = 153,876.38 × 43,409.43
  4. Step 4: Simplify right side
    102,573.45x = 6,679,685,729.22
  5. Step 5: Solve for x
    x = 6,679,685,729.22/102,573.45
  6. Step 6: Final answer
    x = 65,121.00

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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.