Home / 112,193.28-154,898.46-69,809.22

Finding the Fourth Proportional to 112,193.28, 154,898.46 and 69,809.22

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Solution

The fourth proportional to 112,193.28, 154,898.46 and 69,809.22 is: 96,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,193.28 : 154,898.46 = 69,809.22 : x
  2. Step 2: Convert to fraction form
    112,193.28/154,898.46 = 69,809.22/x
  3. Step 3: Cross multiply
    112,193.28x = 154,898.46 × 69,809.22
  4. Step 4: Simplify right side
    112,193.28x = 10,813,340,671.80
  5. Step 5: Solve for x
    x = 10,813,340,671.80/112,193.28
  6. Step 6: Final answer
    x = 96,381.36

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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.