Home / 155,129.75-232,479.35-70,683.54

Finding the Fourth Proportional to 155,129.75, 232,479.35 and 70,683.54

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Solution

The fourth proportional to 155,129.75, 232,479.35 and 70,683.54 is: 105,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,129.75 : 232,479.35 = 70,683.54 : x
  2. Step 2: Convert to fraction form
    155,129.75/232,479.35 = 70,683.54/x
  3. Step 3: Cross multiply
    155,129.75x = 232,479.35 × 70,683.54
  4. Step 4: Simplify right side
    155,129.75x = 16,432,463,782.44
  5. Step 5: Solve for x
    x = 16,432,463,782.44/155,129.75
  6. Step 6: Final answer
    x = 105,927.22

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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.