Home / 102,533.16-141,495.78-57,821.16

Finding the Fourth Proportional to 102,533.16, 141,495.78 and 57,821.16

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Solution

The fourth proportional to 102,533.16, 141,495.78 and 57,821.16 is: 79,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,533.16 : 141,495.78 = 57,821.16 : x
  2. Step 2: Convert to fraction form
    102,533.16/141,495.78 = 57,821.16/x
  3. Step 3: Cross multiply
    102,533.16x = 141,495.78 × 57,821.16
  4. Step 4: Simplify right side
    102,533.16x = 8,181,450,134.70
  5. Step 5: Solve for x
    x = 8,181,450,134.70/102,533.16
  6. Step 6: Final answer
    x = 79,793.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.