Home / 100,733.18-150,947.54-67,393.57

Finding the Fourth Proportional to 100,733.18, 150,947.54 and 67,393.57

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Solution

The fourth proportional to 100,733.18, 150,947.54 and 67,393.57 is: 100,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,733.18 : 150,947.54 = 67,393.57 : x
  2. Step 2: Convert to fraction form
    100,733.18/150,947.54 = 67,393.57/x
  3. Step 3: Cross multiply
    100,733.18x = 150,947.54 × 67,393.57
  4. Step 4: Simplify right side
    100,733.18x = 10,172,892,511.61
  5. Step 5: Solve for x
    x = 10,172,892,511.61/100,733.18
  6. Step 6: Final answer
    x = 100,988.50

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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.