Home / 175,215.60-262,823.40-81,730.80

Finding the Fourth Proportional to 175,215.60, 262,823.40 and 81,730.80

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Solution

The fourth proportional to 175,215.60, 262,823.40 and 81,730.80 is: 122,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,215.60 : 262,823.40 = 81,730.80 : x
  2. Step 2: Convert to fraction form
    175,215.60/262,823.40 = 81,730.80/x
  3. Step 3: Cross multiply
    175,215.60x = 262,823.40 × 81,730.80
  4. Step 4: Simplify right side
    175,215.60x = 21,480,766,740.72
  5. Step 5: Solve for x
    x = 21,480,766,740.72/175,215.60
  6. Step 6: Final answer
    x = 122,596.20

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1.5x scale

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.