Home / 112,298.54-154,971.97-64,561.19

Finding the Fourth Proportional to 112,298.54, 154,971.97 and 64,561.19

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Solution

The fourth proportional to 112,298.54, 154,971.97 and 64,561.19 is: 89,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.54 : 154,971.97 = 64,561.19 : x
  2. Step 2: Convert to fraction form
    112,298.54/154,971.97 = 64,561.19/x
  3. Step 3: Cross multiply
    112,298.54x = 154,971.97 × 64,561.19
  4. Step 4: Simplify right side
    112,298.54x = 10,005,173,863.58
  5. Step 5: Solve for x
    x = 10,005,173,863.58/112,298.54
  6. Step 6: Final answer
    x = 89,094.43

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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.