Home / 165,622.76-248,072.06-128,084.12

Finding the Fourth Proportional to 165,622.76, 248,072.06 and 128,084.12

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Solution

The fourth proportional to 165,622.76, 248,072.06 and 128,084.12 is: 191,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622.76 : 248,072.06 = 128,084.12 : x
  2. Step 2: Convert to fraction form
    165,622.76/248,072.06 = 128,084.12/x
  3. Step 3: Cross multiply
    165,622.76x = 248,072.06 × 128,084.12
  4. Step 4: Simplify right side
    165,622.76x = 31,774,091,501.69
  5. Step 5: Solve for x
    x = 31,774,091,501.69/165,622.76
  6. Step 6: Final answer
    x = 191,846.17

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1.5x scale

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.