Home / 146,430.40-202,086.48-82,779.52

Finding the Fourth Proportional to 146,430.40, 202,086.48 and 82,779.52

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Solution

The fourth proportional to 146,430.40, 202,086.48 and 82,779.52 is: 114,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,430.40 : 202,086.48 = 82,779.52 : x
  2. Step 2: Convert to fraction form
    146,430.40/202,086.48 = 82,779.52/x
  3. Step 3: Cross multiply
    146,430.40x = 202,086.48 × 82,779.52
  4. Step 4: Simplify right side
    146,430.40x = 16,728,621,812.89
  5. Step 5: Solve for x
    x = 16,728,621,812.89/146,430.40
  6. Step 6: Final answer
    x = 114,242.82

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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.