Home / 89,189.28-133,803.64-30,023

Finding the Fourth Proportional to 89,189.28, 133,803.64 and 30,023

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Solution

The fourth proportional to 89,189.28, 133,803.64 and 30,023 is: 45,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,189.28 : 133,803.64 = 30,023 : x
  2. Step 2: Convert to fraction form
    89,189.28/133,803.64 = 30,023/x
  3. Step 3: Cross multiply
    89,189.28x = 133,803.64 × 30,023
  4. Step 4: Simplify right side
    89,189.28x = 4,017,186,683.72
  5. Step 5: Solve for x
    x = 4,017,186,683.72/89,189.28
  6. Step 6: Final answer
    x = 45,041.14

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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.