Home / 147,473.70-203,530.98-83,821.06

Finding the Fourth Proportional to 147,473.70, 203,530.98 and 83,821.06

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Solution

The fourth proportional to 147,473.70, 203,530.98 and 83,821.06 is: 115,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,473.70 : 203,530.98 = 83,821.06 : x
  2. Step 2: Convert to fraction form
    147,473.70/203,530.98 = 83,821.06/x
  3. Step 3: Cross multiply
    147,473.70x = 203,530.98 × 83,821.06
  4. Step 4: Simplify right side
    147,473.70x = 17,060,182,583.69
  5. Step 5: Solve for x
    x = 17,060,182,583.69/147,473.70
  6. Step 6: Final answer
    x = 115,682.88

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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.