Home / 112,837.70-155,708.84-61,841.42

Finding the Fourth Proportional to 112,837.70, 155,708.84 and 61,841.42

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Solution

The fourth proportional to 112,837.70, 155,708.84 and 61,841.42 is: 85,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,837.70 : 155,708.84 = 61,841.42 : x
  2. Step 2: Convert to fraction form
    112,837.70/155,708.84 = 61,841.42/x
  3. Step 3: Cross multiply
    112,837.70x = 155,708.84 × 61,841.42
  4. Step 4: Simplify right side
    112,837.70x = 9,629,254,684.40
  5. Step 5: Solve for x
    x = 9,629,254,684.40/112,837.70
  6. Step 6: Final answer
    x = 85,337.22

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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.