Home / 112,928.36-155,837.22-62,632.04

Finding the Fourth Proportional to 112,928.36, 155,837.22 and 62,632.04

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Solution

The fourth proportional to 112,928.36, 155,837.22 and 62,632.04 is: 86,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928.36 : 155,837.22 = 62,632.04 : x
  2. Step 2: Convert to fraction form
    112,928.36/155,837.22 = 62,632.04/x
  3. Step 3: Cross multiply
    112,928.36x = 155,837.22 × 62,632.04
  4. Step 4: Simplify right side
    112,928.36x = 9,760,402,996.53
  5. Step 5: Solve for x
    x = 9,760,402,996.53/112,928.36
  6. Step 6: Final answer
    x = 86,430.04

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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.