Home / 112,997.84-169,431.14-42,838.88

Finding the Fourth Proportional to 112,997.84, 169,431.14 and 42,838.88

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Solution

The fourth proportional to 112,997.84, 169,431.14 and 42,838.88 is: 64,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,997.84 : 169,431.14 = 42,838.88 : x
  2. Step 2: Convert to fraction form
    112,997.84/169,431.14 = 42,838.88/x
  3. Step 3: Cross multiply
    112,997.84x = 169,431.14 × 42,838.88
  4. Step 4: Simplify right side
    112,997.84x = 7,258,239,534.66
  5. Step 5: Solve for x
    x = 7,258,239,534.66/112,997.84
  6. Step 6: Final answer
    x = 64,233.44

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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.