Home / 112,747.14-155,582.49-62,445.06

Finding the Fourth Proportional to 112,747.14, 155,582.49 and 62,445.06

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Solution

The fourth proportional to 112,747.14, 155,582.49 and 62,445.06 is: 86,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.14 : 155,582.49 = 62,445.06 : x
  2. Step 2: Convert to fraction form
    112,747.14/155,582.49 = 62,445.06/x
  3. Step 3: Cross multiply
    112,747.14x = 155,582.49 × 62,445.06
  4. Step 4: Simplify right side
    112,747.14x = 9,715,357,923.00
  5. Step 5: Solve for x
    x = 9,715,357,923.00/112,747.14
  6. Step 6: Final answer
    x = 86,169.44

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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.