Home / 155,930.60-233,627.10-72,653.80

Finding the Fourth Proportional to 155,930.60, 233,627.10 and 72,653.80

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Solution

The fourth proportional to 155,930.60, 233,627.10 and 72,653.80 is: 108,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,930.60 : 233,627.10 = 72,653.80 : x
  2. Step 2: Convert to fraction form
    155,930.60/233,627.10 = 72,653.80/x
  3. Step 3: Cross multiply
    155,930.60x = 233,627.10 × 72,653.80
  4. Step 4: Simplify right side
    155,930.60x = 16,973,896,597.98
  5. Step 5: Solve for x
    x = 16,973,896,597.98/155,930.60
  6. Step 6: Final answer
    x = 108,855.46

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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.