Home / 164,779.42-247,242.96-75,985.32

Finding the Fourth Proportional to 164,779.42, 247,242.96 and 75,985.32

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Solution

The fourth proportional to 164,779.42, 247,242.96 and 75,985.32 is: 114,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,779.42 : 247,242.96 = 75,985.32 : x
  2. Step 2: Convert to fraction form
    164,779.42/247,242.96 = 75,985.32/x
  3. Step 3: Cross multiply
    164,779.42x = 247,242.96 × 75,985.32
  4. Step 4: Simplify right side
    164,779.42x = 18,786,835,433.35
  5. Step 5: Solve for x
    x = 18,786,835,433.35/164,779.42
  6. Step 6: Final answer
    x = 114,012.03

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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.