Home / 102,490.56-153,752.16-43,326.72

Finding the Fourth Proportional to 102,490.56, 153,752.16 and 43,326.72

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Solution

The fourth proportional to 102,490.56, 153,752.16 and 43,326.72 is: 64,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,490.56 : 153,752.16 = 43,326.72 : x
  2. Step 2: Convert to fraction form
    102,490.56/153,752.16 = 43,326.72/x
  3. Step 3: Cross multiply
    102,490.56x = 153,752.16 × 43,326.72
  4. Step 4: Simplify right side
    102,490.56x = 6,661,576,785.72
  5. Step 5: Solve for x
    x = 6,661,576,785.72/102,490.56
  6. Step 6: Final answer
    x = 64,996.98

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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.