Home / 112,295.07-154,964.88-61,308.81

Finding the Fourth Proportional to 112,295.07, 154,964.88 and 61,308.81

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Solution

The fourth proportional to 112,295.07, 154,964.88 and 61,308.81 is: 84,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295.07 : 154,964.88 = 61,308.81 : x
  2. Step 2: Convert to fraction form
    112,295.07/154,964.88 = 61,308.81/x
  3. Step 3: Cross multiply
    112,295.07x = 154,964.88 × 61,308.81
  4. Step 4: Simplify right side
    112,295.07x = 9,500,712,384.59
  5. Step 5: Solve for x
    x = 9,500,712,384.59/112,295.07
  6. Step 6: Final answer
    x = 84,604.89

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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.