Home / 137,027.38-189,093.81-76,598.14

Finding the Fourth Proportional to 137,027.38, 189,093.81 and 76,598.14

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Solution

The fourth proportional to 137,027.38, 189,093.81 and 76,598.14 is: 105,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,027.38 : 189,093.81 = 76,598.14 : x
  2. Step 2: Convert to fraction form
    137,027.38/189,093.81 = 76,598.14/x
  3. Step 3: Cross multiply
    137,027.38x = 189,093.81 × 76,598.14
  4. Step 4: Simplify right side
    137,027.38x = 14,484,234,131.51
  5. Step 5: Solve for x
    x = 14,484,234,131.51/137,027.38
  6. Step 6: Final answer
    x = 105,703.21

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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.