Home / 102,164.64-140,907.29-66,366.20

Finding the Fourth Proportional to 102,164.64, 140,907.29 and 66,366.20

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Solution

The fourth proportional to 102,164.64, 140,907.29 and 66,366.20 is: 91,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,164.64 : 140,907.29 = 66,366.20 : x
  2. Step 2: Convert to fraction form
    102,164.64/140,907.29 = 66,366.20/x
  3. Step 3: Cross multiply
    102,164.64x = 140,907.29 × 66,366.20
  4. Step 4: Simplify right side
    102,164.64x = 9,351,480,353.23
  5. Step 5: Solve for x
    x = 9,351,480,353.23/102,164.64
  6. Step 6: Final answer
    x = 91,533.43

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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.