Home / 112,171-154,795.98-61,873.24

Finding the Fourth Proportional to 112,171, 154,795.98 and 61,873.24

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Solution

The fourth proportional to 112,171, 154,795.98 and 61,873.24 is: 85,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171 : 154,795.98 = 61,873.24 : x
  2. Step 2: Convert to fraction form
    112,171/154,795.98 = 61,873.24/x
  3. Step 3: Cross multiply
    112,171x = 154,795.98 × 61,873.24
  4. Step 4: Simplify right side
    112,171x = 9,577,728,821.58
  5. Step 5: Solve for x
    x = 9,577,728,821.58/112,171
  6. Step 6: Final answer
    x = 85,385.07

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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.