Home / 112,363.40-154,848.31-80,476.94

Finding the Fourth Proportional to 112,363.40, 154,848.31 and 80,476.94

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Solution

The fourth proportional to 112,363.40, 154,848.31 and 80,476.94 is: 110,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363.40 : 154,848.31 = 80,476.94 : x
  2. Step 2: Convert to fraction form
    112,363.40/154,848.31 = 80,476.94/x
  3. Step 3: Cross multiply
    112,363.40x = 154,848.31 × 80,476.94
  4. Step 4: Simplify right side
    112,363.40x = 12,461,718,338.90
  5. Step 5: Solve for x
    x = 12,461,718,338.90/112,363.40
  6. Step 6: Final answer
    x = 110,905.49

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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.