Home / 123,467.36-185,084.40-112,153.28

Finding the Fourth Proportional to 123,467.36, 185,084.40 and 112,153.28

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Solution

The fourth proportional to 123,467.36, 185,084.40 and 112,153.28 is: 168,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,467.36 : 185,084.40 = 112,153.28 : x
  2. Step 2: Convert to fraction form
    123,467.36/185,084.40 = 112,153.28/x
  3. Step 3: Cross multiply
    123,467.36x = 185,084.40 × 112,153.28
  4. Step 4: Simplify right side
    123,467.36x = 20,757,822,536.83
  5. Step 5: Solve for x
    x = 20,757,822,536.83/123,467.36
  6. Step 6: Final answer
    x = 168,123.97

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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.