Home / 102,541.12-153,828.12-43,393.72

Finding the Fourth Proportional to 102,541.12, 153,828.12 and 43,393.72

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Solution

The fourth proportional to 102,541.12, 153,828.12 and 43,393.72 is: 65,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.12 : 153,828.12 = 43,393.72 : x
  2. Step 2: Convert to fraction form
    102,541.12/153,828.12 = 43,393.72/x
  3. Step 3: Cross multiply
    102,541.12x = 153,828.12 × 43,393.72
  4. Step 4: Simplify right side
    102,541.12x = 6,675,174,367.41
  5. Step 5: Solve for x
    x = 6,675,174,367.41/102,541.12
  6. Step 6: Final answer
    x = 65,097.54

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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.