Home / 250,719.56-345,987.06-137,541.32

Finding the Fourth Proportional to 250,719.56, 345,987.06 and 137,541.32

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Solution

The fourth proportional to 250,719.56, 345,987.06 and 137,541.32 is: 189,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,719.56 : 345,987.06 = 137,541.32 : x
  2. Step 2: Convert to fraction form
    250,719.56/345,987.06 = 137,541.32/x
  3. Step 3: Cross multiply
    250,719.56x = 345,987.06 × 137,541.32
  4. Step 4: Simplify right side
    250,719.56x = 47,587,516,935.32
  5. Step 5: Solve for x
    x = 47,587,516,935.32/250,719.56
  6. Step 6: Final answer
    x = 189,803.77

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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.