Home / 137,303.69-189,381.37-126,009.63

Finding the Fourth Proportional to 137,303.69, 189,381.37 and 126,009.63

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Solution

The fourth proportional to 137,303.69, 189,381.37 and 126,009.63 is: 173,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,303.69 : 189,381.37 = 126,009.63 : x
  2. Step 2: Convert to fraction form
    137,303.69/189,381.37 = 126,009.63/x
  3. Step 3: Cross multiply
    137,303.69x = 189,381.37 × 126,009.63
  4. Step 4: Simplify right side
    137,303.69x = 23,863,876,362.59
  5. Step 5: Solve for x
    x = 23,863,876,362.59/137,303.69
  6. Step 6: Final answer
    x = 173,803.61

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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.