Home / 137,459.13-189,698.27-131,160.57

Finding the Fourth Proportional to 137,459.13, 189,698.27 and 131,160.57

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Solution

The fourth proportional to 137,459.13, 189,698.27 and 131,160.57 is: 181,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,459.13 : 189,698.27 = 131,160.57 : x
  2. Step 2: Convert to fraction form
    137,459.13/189,698.27 = 131,160.57/x
  3. Step 3: Cross multiply
    137,459.13x = 189,698.27 × 131,160.57
  4. Step 4: Simplify right side
    137,459.13x = 24,880,932,565.41
  5. Step 5: Solve for x
    x = 24,880,932,565.41/137,459.13
  6. Step 6: Final answer
    x = 181,006.04

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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.