Home / 112,248.36-154,902.42-61,947

Finding the Fourth Proportional to 112,248.36, 154,902.42 and 61,947

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Solution

The fourth proportional to 112,248.36, 154,902.42 and 61,947 is: 85,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,248.36 : 154,902.42 = 61,947 : x
  2. Step 2: Convert to fraction form
    112,248.36/154,902.42 = 61,947/x
  3. Step 3: Cross multiply
    112,248.36x = 154,902.42 × 61,947
  4. Step 4: Simplify right side
    112,248.36x = 9,595,740,211.74
  5. Step 5: Solve for x
    x = 9,595,740,211.74/112,248.36
  6. Step 6: Final answer
    x = 85,486.69

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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.