Home / 112,842-155,721.96-62,544.24

Finding the Fourth Proportional to 112,842, 155,721.96 and 62,544.24

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Solution

The fourth proportional to 112,842, 155,721.96 and 62,544.24 is: 86,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,842 : 155,721.96 = 62,544.24 : x
  2. Step 2: Convert to fraction form
    112,842/155,721.96 = 62,544.24/x
  3. Step 3: Cross multiply
    112,842x = 155,721.96 × 62,544.24
  4. Step 4: Simplify right side
    112,842x = 9,739,511,639.51
  5. Step 5: Solve for x
    x = 9,739,511,639.51/112,842
  6. Step 6: Final answer
    x = 86,311.05

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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.