Home / 88,981.39-133,331.58-72,260.05

Finding the Fourth Proportional to 88,981.39, 133,331.58 and 72,260.05

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Solution

The fourth proportional to 88,981.39, 133,331.58 and 72,260.05 is: 108,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.39 : 133,331.58 = 72,260.05 : x
  2. Step 2: Convert to fraction form
    88,981.39/133,331.58 = 72,260.05/x
  3. Step 3: Cross multiply
    88,981.39x = 133,331.58 × 72,260.05
  4. Step 4: Simplify right side
    88,981.39x = 9,634,546,637.38
  5. Step 5: Solve for x
    x = 9,634,546,637.38/88,981.39
  6. Step 6: Final answer
    x = 108,275.97

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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.