Home / 162,036.82-242,891.16-77,673.34

Finding the Fourth Proportional to 162,036.82, 242,891.16 and 77,673.34

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Solution

The fourth proportional to 162,036.82, 242,891.16 and 77,673.34 is: 116,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,036.82 : 242,891.16 = 77,673.34 : x
  2. Step 2: Convert to fraction form
    162,036.82/242,891.16 = 77,673.34/x
  3. Step 3: Cross multiply
    162,036.82x = 242,891.16 × 77,673.34
  4. Step 4: Simplify right side
    162,036.82x = 18,866,167,653.67
  5. Step 5: Solve for x
    x = 18,866,167,653.67/162,036.82
  6. Step 6: Final answer
    x = 116,431.36

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1.5x scale

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.