Home / 126,210.69-189,124.47-92,771.46

Finding the Fourth Proportional to 126,210.69, 189,124.47 and 92,771.46

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Solution

The fourth proportional to 126,210.69, 189,124.47 and 92,771.46 is: 139,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,210.69 : 189,124.47 = 92,771.46 : x
  2. Step 2: Convert to fraction form
    126,210.69/189,124.47 = 92,771.46/x
  3. Step 3: Cross multiply
    126,210.69x = 189,124.47 × 92,771.46
  4. Step 4: Simplify right side
    126,210.69x = 17,545,353,203.63
  5. Step 5: Solve for x
    x = 17,545,353,203.63/126,210.69
  6. Step 6: Final answer
    x = 139,016.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.