Home / 84,124.28-126,173.50-30,803.70

Finding the Fourth Proportional to 84,124.28, 126,173.50 and 30,803.70

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Solution

The fourth proportional to 84,124.28, 126,173.50 and 30,803.70 is: 46,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,124.28 : 126,173.50 = 30,803.70 : x
  2. Step 2: Convert to fraction form
    84,124.28/126,173.50 = 30,803.70/x
  3. Step 3: Cross multiply
    84,124.28x = 126,173.50 × 30,803.70
  4. Step 4: Simplify right side
    84,124.28x = 3,886,610,641.95
  5. Step 5: Solve for x
    x = 3,886,610,641.95/84,124.28
  6. Step 6: Final answer
    x = 46,200.82

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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.