Home / 146,943.04-202,798.40-82,430

Finding the Fourth Proportional to 146,943.04, 202,798.40 and 82,430

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Solution

The fourth proportional to 146,943.04, 202,798.40 and 82,430 is: 113,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,943.04 : 202,798.40 = 82,430 : x
  2. Step 2: Convert to fraction form
    146,943.04/202,798.40 = 82,430/x
  3. Step 3: Cross multiply
    146,943.04x = 202,798.40 × 82,430
  4. Step 4: Simplify right side
    146,943.04x = 16,716,672,112
  5. Step 5: Solve for x
    x = 16,716,672,112/146,943.04
  6. Step 6: Final answer
    x = 113,762.94

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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.