Home / 135,301.56-186,713.36-74,872.16

Finding the Fourth Proportional to 135,301.56, 186,713.36 and 74,872.16

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Solution

The fourth proportional to 135,301.56, 186,713.36 and 74,872.16 is: 103,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,301.56 : 186,713.36 = 74,872.16 : x
  2. Step 2: Convert to fraction form
    135,301.56/186,713.36 = 74,872.16/x
  3. Step 3: Cross multiply
    135,301.56x = 186,713.36 × 74,872.16
  4. Step 4: Simplify right side
    135,301.56x = 13,979,632,656.48
  5. Step 5: Solve for x
    x = 13,979,632,656.48/135,301.56
  6. Step 6: Final answer
    x = 103,322.04

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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.