Home / 142,924.60-214,317.78-83,779.48

Finding the Fourth Proportional to 142,924.60, 214,317.78 and 83,779.48

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Solution

The fourth proportional to 142,924.60, 214,317.78 and 83,779.48 is: 125,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.60 : 214,317.78 = 83,779.48 : x
  2. Step 2: Convert to fraction form
    142,924.60/214,317.78 = 83,779.48/x
  3. Step 3: Cross multiply
    142,924.60x = 214,317.78 × 83,779.48
  4. Step 4: Simplify right side
    142,924.60x = 17,955,432,163.15
  5. Step 5: Solve for x
    x = 17,955,432,163.15/142,924.60
  6. Step 6: Final answer
    x = 125,628.70

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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.