Home / 92,256.06-138,297.42-84,038.88

Finding the Fourth Proportional to 92,256.06, 138,297.42 and 84,038.88

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Solution

The fourth proportional to 92,256.06, 138,297.42 and 84,038.88 is: 125,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,256.06 : 138,297.42 = 84,038.88 : x
  2. Step 2: Convert to fraction form
    92,256.06/138,297.42 = 84,038.88/x
  3. Step 3: Cross multiply
    92,256.06x = 138,297.42 × 84,038.88
  4. Step 4: Simplify right side
    92,256.06x = 11,622,360,283.69
  5. Step 5: Solve for x
    x = 11,622,360,283.69/92,256.06
  6. Step 6: Final answer
    x = 125,979.37

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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.