Home / 89,848.80-134,189.64-84,483.36

Finding the Fourth Proportional to 89,848.80, 134,189.64 and 84,483.36

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Solution

The fourth proportional to 89,848.80, 134,189.64 and 84,483.36 is: 126,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848.80 : 134,189.64 = 84,483.36 : x
  2. Step 2: Convert to fraction form
    89,848.80/134,189.64 = 84,483.36/x
  3. Step 3: Cross multiply
    89,848.80x = 134,189.64 × 84,483.36
  4. Step 4: Simplify right side
    89,848.80x = 11,336,791,664.39
  5. Step 5: Solve for x
    x = 11,336,791,664.39/89,848.80
  6. Step 6: Final answer
    x = 126,176.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.