Home / 89,211.22-133,817.06-30,088.42

Finding the Fourth Proportional to 89,211.22, 133,817.06 and 30,088.42

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Solution

The fourth proportional to 89,211.22, 133,817.06 and 30,088.42 is: 45,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.22 : 133,817.06 = 30,088.42 : x
  2. Step 2: Convert to fraction form
    89,211.22/133,817.06 = 30,088.42/x
  3. Step 3: Cross multiply
    89,211.22x = 133,817.06 × 30,088.42
  4. Step 4: Simplify right side
    89,211.22x = 4,026,343,904.45
  5. Step 5: Solve for x
    x = 4,026,343,904.45/89,211.22
  6. Step 6: Final answer
    x = 45,132.71

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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.