Home / 155,845.36-233,537.96-71,397.20

Finding the Fourth Proportional to 155,845.36, 233,537.96 and 71,397.20

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Solution

The fourth proportional to 155,845.36, 233,537.96 and 71,397.20 is: 106,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,845.36 : 233,537.96 = 71,397.20 : x
  2. Step 2: Convert to fraction form
    155,845.36/233,537.96 = 71,397.20/x
  3. Step 3: Cross multiply
    155,845.36x = 233,537.96 × 71,397.20
  4. Step 4: Simplify right side
    155,845.36x = 16,673,956,437.71
  5. Step 5: Solve for x
    x = 16,673,956,437.71/155,845.36
  6. Step 6: Final answer
    x = 106,990.39

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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.