Home / 91,426.74-126,180.58-51,142.74

Finding the Fourth Proportional to 91,426.74, 126,180.58 and 51,142.74

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Solution

The fourth proportional to 91,426.74, 126,180.58 and 51,142.74 is: 70,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,426.74 : 126,180.58 = 51,142.74 : x
  2. Step 2: Convert to fraction form
    91,426.74/126,180.58 = 51,142.74/x
  3. Step 3: Cross multiply
    91,426.74x = 126,180.58 × 51,142.74
  4. Step 4: Simplify right side
    91,426.74x = 6,453,220,595.99
  5. Step 5: Solve for x
    x = 6,453,220,595.99/91,426.74
  6. Step 6: Final answer
    x = 70,583.51

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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.