Home / 147,009.04-202,930.17-104,212.23

Finding the Fourth Proportional to 147,009.04, 202,930.17 and 104,212.23

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Solution

The fourth proportional to 147,009.04, 202,930.17 and 104,212.23 is: 143,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,009.04 : 202,930.17 = 104,212.23 : x
  2. Step 2: Convert to fraction form
    147,009.04/202,930.17 = 104,212.23/x
  3. Step 3: Cross multiply
    147,009.04x = 202,930.17 × 104,212.23
  4. Step 4: Simplify right side
    147,009.04x = 21,147,805,549.98
  5. Step 5: Solve for x
    x = 21,147,805,549.98/147,009.04
  6. Step 6: Final answer
    x = 143,853.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.