Home / 155,961.15-233,941.73-85,102.35

Finding the Fourth Proportional to 155,961.15, 233,941.73 and 85,102.35

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Solution

The fourth proportional to 155,961.15, 233,941.73 and 85,102.35 is: 127,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,961.15 : 233,941.73 = 85,102.35 : x
  2. Step 2: Convert to fraction form
    155,961.15/233,941.73 = 85,102.35/x
  3. Step 3: Cross multiply
    155,961.15x = 233,941.73 × 85,102.35
  4. Step 4: Simplify right side
    155,961.15x = 19,908,990,560.55
  5. Step 5: Solve for x
    x = 19,908,990,560.55/155,961.15
  6. Step 6: Final answer
    x = 127,653.53

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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.