Home / 112,310.49-154,984.39-61,322.28

Finding the Fourth Proportional to 112,310.49, 154,984.39 and 61,322.28

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Solution

The fourth proportional to 112,310.49, 154,984.39 and 61,322.28 is: 84,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.49 : 154,984.39 = 61,322.28 : x
  2. Step 2: Convert to fraction form
    112,310.49/154,984.39 = 61,322.28/x
  3. Step 3: Cross multiply
    112,310.49x = 154,984.39 × 61,322.28
  4. Step 4: Simplify right side
    112,310.49x = 9,503,996,159.21
  5. Step 5: Solve for x
    x = 9,503,996,159.21/112,310.49
  6. Step 6: Final answer
    x = 84,622.52

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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.