Home / 126,811.18-174,998.91-69,450.76

Finding the Fourth Proportional to 126,811.18, 174,998.91 and 69,450.76

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Solution

The fourth proportional to 126,811.18, 174,998.91 and 69,450.76 is: 95,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.18 : 174,998.91 = 69,450.76 : x
  2. Step 2: Convert to fraction form
    126,811.18/174,998.91 = 69,450.76/x
  3. Step 3: Cross multiply
    126,811.18x = 174,998.91 × 69,450.76
  4. Step 4: Simplify right side
    126,811.18x = 12,153,807,298.67
  5. Step 5: Solve for x
    x = 12,153,807,298.67/126,811.18
  6. Step 6: Final answer
    x = 95,841.76

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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.