Home / 207,914.88-286,922.70-112,421.64

Finding the Fourth Proportional to 207,914.88, 286,922.70 and 112,421.64

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Solution

The fourth proportional to 207,914.88, 286,922.70 and 112,421.64 is: 155,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,914.88 : 286,922.70 = 112,421.64 : x
  2. Step 2: Convert to fraction form
    207,914.88/286,922.70 = 112,421.64/x
  3. Step 3: Cross multiply
    207,914.88x = 286,922.70 × 112,421.64
  4. Step 4: Simplify right side
    207,914.88x = 32,256,320,487.23
  5. Step 5: Solve for x
    x = 32,256,320,487.23/207,914.88
  6. Step 6: Final answer
    x = 155,141.95

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1.5x scale

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.