Home / 199,919.34-275,886.81-112,696.52

Finding the Fourth Proportional to 199,919.34, 275,886.81 and 112,696.52

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Solution

The fourth proportional to 199,919.34, 275,886.81 and 112,696.52 is: 155,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,919.34 : 275,886.81 = 112,696.52 : x
  2. Step 2: Convert to fraction form
    199,919.34/275,886.81 = 112,696.52/x
  3. Step 3: Cross multiply
    199,919.34x = 275,886.81 × 112,696.52
  4. Step 4: Simplify right side
    199,919.34x = 31,091,482,021.47
  5. Step 5: Solve for x
    x = 31,091,482,021.47/199,919.34
  6. Step 6: Final answer
    x = 155,520.13

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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.