Home / 89,189.30-133,783.95-30,020.02

Finding the Fourth Proportional to 89,189.30, 133,783.95 and 30,020.02

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Solution

The fourth proportional to 89,189.30, 133,783.95 and 30,020.02 is: 45,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,189.30 : 133,783.95 = 30,020.02 : x
  2. Step 2: Convert to fraction form
    89,189.30/133,783.95 = 30,020.02/x
  3. Step 3: Cross multiply
    89,189.30x = 133,783.95 × 30,020.02
  4. Step 4: Simplify right side
    89,189.30x = 4,016,196,632.79
  5. Step 5: Solve for x
    x = 4,016,196,632.79/89,189.30
  6. Step 6: Final answer
    x = 45,030.03

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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.