Home / 145,613.75-200,907.69-85,199.23

Finding the Fourth Proportional to 145,613.75, 200,907.69 and 85,199.23

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Solution

The fourth proportional to 145,613.75, 200,907.69 and 85,199.23 is: 117,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,613.75 : 200,907.69 = 85,199.23 : x
  2. Step 2: Convert to fraction form
    145,613.75/200,907.69 = 85,199.23/x
  3. Step 3: Cross multiply
    145,613.75x = 200,907.69 × 85,199.23
  4. Step 4: Simplify right side
    145,613.75x = 17,117,179,484.54
  5. Step 5: Solve for x
    x = 17,117,179,484.54/145,613.75
  6. Step 6: Final answer
    x = 117,551.94

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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.