Home / 145,197.04-200,314.74-83,902.72

Finding the Fourth Proportional to 145,197.04, 200,314.74 and 83,902.72

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Solution

The fourth proportional to 145,197.04, 200,314.74 and 83,902.72 is: 115,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,197.04 : 200,314.74 = 83,902.72 : x
  2. Step 2: Convert to fraction form
    145,197.04/200,314.74 = 83,902.72/x
  3. Step 3: Cross multiply
    145,197.04x = 200,314.74 × 83,902.72
  4. Step 4: Simplify right side
    145,197.04x = 16,806,951,542.09
  5. Step 5: Solve for x
    x = 16,806,951,542.09/145,197.04
  6. Step 6: Final answer
    x = 115,752.71

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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.