Home / 155,783.74-233,582.19-71,438.25

Finding the Fourth Proportional to 155,783.74, 233,582.19 and 71,438.25

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Solution

The fourth proportional to 155,783.74, 233,582.19 and 71,438.25 is: 107,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,783.74 : 233,582.19 = 71,438.25 : x
  2. Step 2: Convert to fraction form
    155,783.74/233,582.19 = 71,438.25/x
  3. Step 3: Cross multiply
    155,783.74x = 233,582.19 × 71,438.25
  4. Step 4: Simplify right side
    155,783.74x = 16,686,702,884.77
  5. Step 5: Solve for x
    x = 16,686,702,884.77/155,783.74
  6. Step 6: Final answer
    x = 107,114.54

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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.