Home / 137,460.13-189,699.65-131,161.57

Finding the Fourth Proportional to 137,460.13, 189,699.65 and 131,161.57

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Solution

The fourth proportional to 137,460.13, 189,699.65 and 131,161.57 is: 181,007.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,460.13 : 189,699.65 = 131,161.57 : x
  2. Step 2: Convert to fraction form
    137,460.13/189,699.65 = 131,161.57/x
  3. Step 3: Cross multiply
    137,460.13x = 189,699.65 × 131,161.57
  4. Step 4: Simplify right side
    137,460.13x = 24,881,303,922.45
  5. Step 5: Solve for x
    x = 24,881,303,922.45/137,460.13
  6. Step 6: Final answer
    x = 181,007.42

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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.