Home / 155,782.74-233,580.69-71,437.25

Finding the Fourth Proportional to 155,782.74, 233,580.69 and 71,437.25

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Solution

The fourth proportional to 155,782.74, 233,580.69 and 71,437.25 is: 107,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,782.74 : 233,580.69 = 71,437.25 : x
  2. Step 2: Convert to fraction form
    155,782.74/233,580.69 = 71,437.25/x
  3. Step 3: Cross multiply
    155,782.74x = 233,580.69 × 71,437.25
  4. Step 4: Simplify right side
    155,782.74x = 16,686,362,730.65
  5. Step 5: Solve for x
    x = 16,686,362,730.65/155,782.74
  6. Step 6: Final answer
    x = 107,113.04

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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.