Home / 126,709.60-174,841.95-75,711.55

Finding the Fourth Proportional to 126,709.60, 174,841.95 and 75,711.55

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Solution

The fourth proportional to 126,709.60, 174,841.95 and 75,711.55 is: 104,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,709.60 : 174,841.95 = 75,711.55 : x
  2. Step 2: Convert to fraction form
    126,709.60/174,841.95 = 75,711.55/x
  3. Step 3: Cross multiply
    126,709.60x = 174,841.95 × 75,711.55
  4. Step 4: Simplify right side
    126,709.60x = 13,237,555,039.52
  5. Step 5: Solve for x
    x = 13,237,555,039.52/126,709.60
  6. Step 6: Final answer
    x = 104,471.60

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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.