Home / 88,723.60-133,085.40-57,230.80

Finding the Fourth Proportional to 88,723.60, 133,085.40 and 57,230.80

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Solution

The fourth proportional to 88,723.60, 133,085.40 and 57,230.80 is: 85,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,723.60 : 133,085.40 = 57,230.80 : x
  2. Step 2: Convert to fraction form
    88,723.60/133,085.40 = 57,230.80/x
  3. Step 3: Cross multiply
    88,723.60x = 133,085.40 × 57,230.80
  4. Step 4: Simplify right side
    88,723.60x = 7,616,583,910.32
  5. Step 5: Solve for x
    x = 7,616,583,910.32/88,723.60
  6. Step 6: Final answer
    x = 85,846.20

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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.