Home / 155,985.30-234,021.15-103,497.30

Finding the Fourth Proportional to 155,985.30, 234,021.15 and 103,497.30

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Solution

The fourth proportional to 155,985.30, 234,021.15 and 103,497.30 is: 155,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,985.30 : 234,021.15 = 103,497.30 : x
  2. Step 2: Convert to fraction form
    155,985.30/234,021.15 = 103,497.30/x
  3. Step 3: Cross multiply
    155,985.30x = 234,021.15 × 103,497.30
  4. Step 4: Simplify right side
    155,985.30x = 24,220,557,167.90
  5. Step 5: Solve for x
    x = 24,220,557,167.90/155,985.30
  6. Step 6: Final answer
    x = 155,274.61

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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.