Home / 242,148.12-363,326.64-92,433.36

Finding the Fourth Proportional to 242,148.12, 363,326.64 and 92,433.36

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Solution

The fourth proportional to 242,148.12, 363,326.64 and 92,433.36 is: 138,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,148.12 : 363,326.64 = 92,433.36 : x
  2. Step 2: Convert to fraction form
    242,148.12/363,326.64 = 92,433.36/x
  3. Step 3: Cross multiply
    242,148.12x = 363,326.64 × 92,433.36
  4. Step 4: Simplify right side
    242,148.12x = 33,583,502,112.71
  5. Step 5: Solve for x
    x = 33,583,502,112.71/242,148.12
  6. Step 6: Final answer
    x = 138,689.91

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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.