Home / 121,025.40-181,538.10-89,532.60

Finding the Fourth Proportional to 121,025.40, 181,538.10 and 89,532.60

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Solution

The fourth proportional to 121,025.40, 181,538.10 and 89,532.60 is: 134,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,025.40 : 181,538.10 = 89,532.60 : x
  2. Step 2: Convert to fraction form
    121,025.40/181,538.10 = 89,532.60/x
  3. Step 3: Cross multiply
    121,025.40x = 181,538.10 × 89,532.60
  4. Step 4: Simplify right side
    121,025.40x = 16,253,578,092.06
  5. Step 5: Solve for x
    x = 16,253,578,092.06/121,025.40
  6. Step 6: Final answer
    x = 134,298.90

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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.