Home / 126,421.45-174,453.81-69,049.15

Finding the Fourth Proportional to 126,421.45, 174,453.81 and 69,049.15

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Solution

The fourth proportional to 126,421.45, 174,453.81 and 69,049.15 is: 95,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.45 : 174,453.81 = 69,049.15 : x
  2. Step 2: Convert to fraction form
    126,421.45/174,453.81 = 69,049.15/x
  3. Step 3: Cross multiply
    126,421.45x = 174,453.81 × 69,049.15
  4. Step 4: Simplify right side
    126,421.45x = 12,045,887,294.76
  5. Step 5: Solve for x
    x = 12,045,887,294.76/126,421.45
  6. Step 6: Final answer
    x = 95,283.57

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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.