Home / 164,809.16-247,041.36-76,120.84

Finding the Fourth Proportional to 164,809.16, 247,041.36 and 76,120.84

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Solution

The fourth proportional to 164,809.16, 247,041.36 and 76,120.84 is: 114,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,809.16 : 247,041.36 = 76,120.84 : x
  2. Step 2: Convert to fraction form
    164,809.16/247,041.36 = 76,120.84/x
  3. Step 3: Cross multiply
    164,809.16x = 247,041.36 × 76,120.84
  4. Step 4: Simplify right side
    164,809.16x = 18,804,995,837.94
  5. Step 5: Solve for x
    x = 18,804,995,837.94/164,809.16
  6. Step 6: Final answer
    x = 114,101.64

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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.