Home / 112,397.93-155,104.56-61,412.43

Finding the Fourth Proportional to 112,397.93, 155,104.56 and 61,412.43

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Solution

The fourth proportional to 112,397.93, 155,104.56 and 61,412.43 is: 84,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397.93 : 155,104.56 = 61,412.43 : x
  2. Step 2: Convert to fraction form
    112,397.93/155,104.56 = 61,412.43/x
  3. Step 3: Cross multiply
    112,397.93x = 155,104.56 × 61,412.43
  4. Step 4: Simplify right side
    112,397.93x = 9,525,347,933.68
  5. Step 5: Solve for x
    x = 9,525,347,933.68/112,397.93
  6. Step 6: Final answer
    x = 84,746.65

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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.