Home / 198,412.77-273,805.70-112,370.39

Finding the Fourth Proportional to 198,412.77, 273,805.70 and 112,370.39

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Solution

The fourth proportional to 198,412.77, 273,805.70 and 112,370.39 is: 155,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,412.77 : 273,805.70 = 112,370.39 : x
  2. Step 2: Convert to fraction form
    198,412.77/273,805.70 = 112,370.39/x
  3. Step 3: Cross multiply
    198,412.77x = 273,805.70 × 112,370.39
  4. Step 4: Simplify right side
    198,412.77x = 30,767,651,362.34
  5. Step 5: Solve for x
    x = 30,767,651,362.34/198,412.77
  6. Step 6: Final answer
    x = 155,068.91

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1.5x scale

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.