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Finding the Fourth Proportional to 160,378.88, 240,567.24 and 125,348

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Solution

The fourth proportional to 160,378.88, 240,567.24 and 125,348 is: 188,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,378.88 : 240,567.24 = 125,348 : x
  2. Step 2: Convert to fraction form
    160,378.88/240,567.24 = 125,348/x
  3. Step 3: Cross multiply
    160,378.88x = 240,567.24 × 125,348
  4. Step 4: Simplify right side
    160,378.88x = 30,154,622,399.52
  5. Step 5: Solve for x
    x = 30,154,622,399.52/160,378.88
  6. Step 6: Final answer
    x = 188,021.16

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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.