Home / 134,313.88-185,359.44-77,714.32

Finding the Fourth Proportional to 134,313.88, 185,359.44 and 77,714.32

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Solution

The fourth proportional to 134,313.88, 185,359.44 and 77,714.32 is: 107,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,313.88 : 185,359.44 = 77,714.32 : x
  2. Step 2: Convert to fraction form
    134,313.88/185,359.44 = 77,714.32/x
  3. Step 3: Cross multiply
    134,313.88x = 185,359.44 × 77,714.32
  4. Step 4: Simplify right side
    134,313.88x = 14,405,082,835.18
  5. Step 5: Solve for x
    x = 14,405,082,835.18/134,313.88
  6. Step 6: Final answer
    x = 107,249.40

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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.