Home / 202,829.30-279,924.81-112,192.10

Finding the Fourth Proportional to 202,829.30, 279,924.81 and 112,192.10

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Solution

The fourth proportional to 202,829.30, 279,924.81 and 112,192.10 is: 154,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,829.30 : 279,924.81 = 112,192.10 : x
  2. Step 2: Convert to fraction form
    202,829.30/279,924.81 = 112,192.10/x
  3. Step 3: Cross multiply
    202,829.30x = 279,924.81 × 112,192.10
  4. Step 4: Simplify right side
    202,829.30x = 31,405,352,276.00
  5. Step 5: Solve for x
    x = 31,405,352,276.00/202,829.30
  6. Step 6: Final answer
    x = 154,836.37

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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.