Home / 207,927.88-286,940.64-112,434.64

Finding the Fourth Proportional to 207,927.88, 286,940.64 and 112,434.64

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Solution

The fourth proportional to 207,927.88, 286,940.64 and 112,434.64 is: 155,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,927.88 : 286,940.64 = 112,434.64 : x
  2. Step 2: Convert to fraction form
    207,927.88/286,940.64 = 112,434.64/x
  3. Step 3: Cross multiply
    207,927.88x = 286,940.64 × 112,434.64
  4. Step 4: Simplify right side
    207,927.88x = 32,262,067,559.77
  5. Step 5: Solve for x
    x = 32,262,067,559.77/207,927.88
  6. Step 6: Final answer
    x = 155,159.89

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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.