Home / 155,738.60-233,339.10-72,461.80

Finding the Fourth Proportional to 155,738.60, 233,339.10 and 72,461.80

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Solution

The fourth proportional to 155,738.60, 233,339.10 and 72,461.80 is: 108,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,738.60 : 233,339.10 = 72,461.80 : x
  2. Step 2: Convert to fraction form
    155,738.60/233,339.10 = 72,461.80/x
  3. Step 3: Cross multiply
    155,738.60x = 233,339.10 × 72,461.80
  4. Step 4: Simplify right side
    155,738.60x = 16,908,171,196.38
  5. Step 5: Solve for x
    x = 16,908,171,196.38/155,738.60
  6. Step 6: Final answer
    x = 108,567.63

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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.