Home / 238,741.64-329,460.85-131,313.16

Finding the Fourth Proportional to 238,741.64, 329,460.85 and 131,313.16

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Solution

The fourth proportional to 238,741.64, 329,460.85 and 131,313.16 is: 181,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,741.64 : 329,460.85 = 131,313.16 : x
  2. Step 2: Convert to fraction form
    238,741.64/329,460.85 = 131,313.16/x
  3. Step 3: Cross multiply
    238,741.64x = 329,460.85 × 131,313.16
  4. Step 4: Simplify right side
    238,741.64x = 43,262,545,309.79
  5. Step 5: Solve for x
    x = 43,262,545,309.79/238,741.64
  6. Step 6: Final answer
    x = 181,210.72

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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.