Home / 112,930.65-155,844.54-61,943.85

Finding the Fourth Proportional to 112,930.65, 155,844.54 and 61,943.85

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Solution

The fourth proportional to 112,930.65, 155,844.54 and 61,943.85 is: 85,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930.65 : 155,844.54 = 61,943.85 : x
  2. Step 2: Convert to fraction form
    112,930.65/155,844.54 = 61,943.85/x
  3. Step 3: Cross multiply
    112,930.65x = 155,844.54 × 61,943.85
  4. Step 4: Simplify right side
    112,930.65x = 9,653,610,809.08
  5. Step 5: Solve for x
    x = 9,653,610,809.08/112,930.65
  6. Step 6: Final answer
    x = 85,482.65

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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.