Home / 146,779.29-220,256.42-53,292.33

Finding the Fourth Proportional to 146,779.29, 220,256.42 and 53,292.33

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Solution

The fourth proportional to 146,779.29, 220,256.42 and 53,292.33 is: 79,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779.29 : 220,256.42 = 53,292.33 : x
  2. Step 2: Convert to fraction form
    146,779.29/220,256.42 = 53,292.33/x
  3. Step 3: Cross multiply
    146,779.29x = 220,256.42 × 53,292.33
  4. Step 4: Simplify right side
    146,779.29x = 11,737,977,552.80
  5. Step 5: Solve for x
    x = 11,737,977,552.80/146,779.29
  6. Step 6: Final answer
    x = 79,970.26

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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.