Home / 112,269.58-154,929.68-61,283.32

Finding the Fourth Proportional to 112,269.58, 154,929.68 and 61,283.32

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Solution

The fourth proportional to 112,269.58, 154,929.68 and 61,283.32 is: 84,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.58 : 154,929.68 = 61,283.32 : x
  2. Step 2: Convert to fraction form
    112,269.58/154,929.68 = 61,283.32/x
  3. Step 3: Cross multiply
    112,269.58x = 154,929.68 × 61,283.32
  4. Step 4: Simplify right side
    112,269.58x = 9,494,605,156.94
  5. Step 5: Solve for x
    x = 9,494,605,156.94/112,269.58
  6. Step 6: Final answer
    x = 84,569.70

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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.