Home / 89,229.08-123,146.42-53,419.07

Finding the Fourth Proportional to 89,229.08, 123,146.42 and 53,419.07

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Solution

The fourth proportional to 89,229.08, 123,146.42 and 53,419.07 is: 73,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.08 : 123,146.42 = 53,419.07 : x
  2. Step 2: Convert to fraction form
    89,229.08/123,146.42 = 53,419.07/x
  3. Step 3: Cross multiply
    89,229.08x = 123,146.42 × 53,419.07
  4. Step 4: Simplify right side
    89,229.08x = 6,578,366,347.40
  5. Step 5: Solve for x
    x = 6,578,366,347.40/89,229.08
  6. Step 6: Final answer
    x = 73,724.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.