Home / 146,828.63-202,606.31-86,385.98

Finding the Fourth Proportional to 146,828.63, 202,606.31 and 86,385.98

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Solution

The fourth proportional to 146,828.63, 202,606.31 and 86,385.98 is: 119,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,828.63 : 202,606.31 = 86,385.98 : x
  2. Step 2: Convert to fraction form
    146,828.63/202,606.31 = 86,385.98/x
  3. Step 3: Cross multiply
    146,828.63x = 202,606.31 × 86,385.98
  4. Step 4: Simplify right side
    146,828.63x = 17,502,343,198.57
  5. Step 5: Solve for x
    x = 17,502,343,198.57/146,828.63
  6. Step 6: Final answer
    x = 119,202.53

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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.