Home / 155,941.93-233,718.63-71,612.43

Finding the Fourth Proportional to 155,941.93, 233,718.63 and 71,612.43

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Solution

The fourth proportional to 155,941.93, 233,718.63 and 71,612.43 is: 107,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,941.93 : 233,718.63 = 71,612.43 : x
  2. Step 2: Convert to fraction form
    155,941.93/233,718.63 = 71,612.43/x
  3. Step 3: Cross multiply
    155,941.93x = 233,718.63 × 71,612.43
  4. Step 4: Simplify right side
    155,941.93x = 16,737,159,030.57
  5. Step 5: Solve for x
    x = 16,737,159,030.57/155,941.93
  6. Step 6: Final answer
    x = 107,329.43

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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.