Home / 225,681.12-338,742-107,434.08

Finding the Fourth Proportional to 225,681.12, 338,742 and 107,434.08

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Solution

The fourth proportional to 225,681.12, 338,742 and 107,434.08 is: 161,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,681.12 : 338,742 = 107,434.08 : x
  2. Step 2: Convert to fraction form
    225,681.12/338,742 = 107,434.08/x
  3. Step 3: Cross multiply
    225,681.12x = 338,742 × 107,434.08
  4. Step 4: Simplify right side
    225,681.12x = 36,392,435,127.36
  5. Step 5: Solve for x
    x = 36,392,435,127.36/225,681.12
  6. Step 6: Final answer
    x = 161,256.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.