Home / 119,351.04-164,708.40-65,638.32

Finding the Fourth Proportional to 119,351.04, 164,708.40 and 65,638.32

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Solution

The fourth proportional to 119,351.04, 164,708.40 and 65,638.32 is: 90,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.04 : 164,708.40 = 65,638.32 : x
  2. Step 2: Convert to fraction form
    119,351.04/164,708.40 = 65,638.32/x
  3. Step 3: Cross multiply
    119,351.04x = 164,708.40 × 65,638.32
  4. Step 4: Simplify right side
    119,351.04x = 10,811,182,665.89
  5. Step 5: Solve for x
    x = 10,811,182,665.89/119,351.04
  6. Step 6: Final answer
    x = 90,583.06

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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.