Home / 160,748.12-240,782.82-128,986.04

Finding the Fourth Proportional to 160,748.12, 240,782.82 and 128,986.04

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Solution

The fourth proportional to 160,748.12, 240,782.82 and 128,986.04 is: 193,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,748.12 : 240,782.82 = 128,986.04 : x
  2. Step 2: Convert to fraction form
    160,748.12/240,782.82 = 128,986.04/x
  3. Step 3: Cross multiply
    160,748.12x = 240,782.82 × 128,986.04
  4. Step 4: Simplify right side
    160,748.12x = 31,057,622,451.83
  5. Step 5: Solve for x
    x = 31,057,622,451.83/160,748.12
  6. Step 6: Final answer
    x = 193,206.75

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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.