Home / 112,646.75-155,457.38-62,345.75

Finding the Fourth Proportional to 112,646.75, 155,457.38 and 62,345.75

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Solution

The fourth proportional to 112,646.75, 155,457.38 and 62,345.75 is: 86,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,646.75 : 155,457.38 = 62,345.75 : x
  2. Step 2: Convert to fraction form
    112,646.75/155,457.38 = 62,345.75/x
  3. Step 3: Cross multiply
    112,646.75x = 155,457.38 × 62,345.75
  4. Step 4: Simplify right side
    112,646.75x = 9,692,106,949.14
  5. Step 5: Solve for x
    x = 9,692,106,949.14/112,646.75
  6. Step 6: Final answer
    x = 86,039.83

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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.