Home / 137,384.12-189,612.52-94,327.88

Finding the Fourth Proportional to 137,384.12, 189,612.52 and 94,327.88

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Solution

The fourth proportional to 137,384.12, 189,612.52 and 94,327.88 is: 130,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,384.12 : 189,612.52 = 94,327.88 : x
  2. Step 2: Convert to fraction form
    137,384.12/189,612.52 = 94,327.88/x
  3. Step 3: Cross multiply
    137,384.12x = 189,612.52 × 94,327.88
  4. Step 4: Simplify right side
    137,384.12x = 17,885,745,849.18
  5. Step 5: Solve for x
    x = 17,885,745,849.18/137,384.12
  6. Step 6: Final answer
    x = 130,187.87

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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.