Home / 119,290.93-164,621.67-65,576.29

Finding the Fourth Proportional to 119,290.93, 164,621.67 and 65,576.29

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Solution

The fourth proportional to 119,290.93, 164,621.67 and 65,576.29 is: 90,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,290.93 : 164,621.67 = 65,576.29 : x
  2. Step 2: Convert to fraction form
    119,290.93/164,621.67 = 65,576.29/x
  3. Step 3: Cross multiply
    119,290.93x = 164,621.67 × 65,576.29
  4. Step 4: Simplify right side
    119,290.93x = 10,795,278,372.20
  5. Step 5: Solve for x
    x = 10,795,278,372.20/119,290.93
  6. Step 6: Final answer
    x = 90,495.38

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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.