Home / 89,197.12-133,778.65-44,811.55

Finding the Fourth Proportional to 89,197.12, 133,778.65 and 44,811.55

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Solution

The fourth proportional to 89,197.12, 133,778.65 and 44,811.55 is: 67,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.12 : 133,778.65 = 44,811.55 : x
  2. Step 2: Convert to fraction form
    89,197.12/133,778.65 = 44,811.55/x
  3. Step 3: Cross multiply
    89,197.12x = 133,778.65 × 44,811.55
  4. Step 4: Simplify right side
    89,197.12x = 5,994,828,663.41
  5. Step 5: Solve for x
    x = 5,994,828,663.41/89,197.12
  6. Step 6: Final answer
    x = 67,208.77

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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.