Home / 137,565.16-189,356.34-120,529.24

Finding the Fourth Proportional to 137,565.16, 189,356.34 and 120,529.24

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Solution

The fourth proportional to 137,565.16, 189,356.34 and 120,529.24 is: 165,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,565.16 : 189,356.34 = 120,529.24 : x
  2. Step 2: Convert to fraction form
    137,565.16/189,356.34 = 120,529.24/x
  3. Step 3: Cross multiply
    137,565.16x = 189,356.34 × 120,529.24
  4. Step 4: Simplify right side
    137,565.16x = 22,822,975,749.38
  5. Step 5: Solve for x
    x = 22,822,975,749.38/137,565.16
  6. Step 6: Final answer
    x = 165,906.66

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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.