Home / 100,164.16-138,182.43-59,857.66

Finding the Fourth Proportional to 100,164.16, 138,182.43 and 59,857.66

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Solution

The fourth proportional to 100,164.16, 138,182.43 and 59,857.66 is: 82,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,164.16 : 138,182.43 = 59,857.66 : x
  2. Step 2: Convert to fraction form
    100,164.16/138,182.43 = 59,857.66/x
  3. Step 3: Cross multiply
    100,164.16x = 138,182.43 × 59,857.66
  4. Step 4: Simplify right side
    100,164.16x = 8,271,276,912.91
  5. Step 5: Solve for x
    x = 8,271,276,912.91/100,164.16
  6. Step 6: Final answer
    x = 82,577.21

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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.