Home / 145,099.67-200,180.32-83,805.35

Finding the Fourth Proportional to 145,099.67, 200,180.32 and 83,805.35

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Solution

The fourth proportional to 145,099.67, 200,180.32 and 83,805.35 is: 115,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,099.67 : 200,180.32 = 83,805.35 : x
  2. Step 2: Convert to fraction form
    145,099.67/200,180.32 = 83,805.35/x
  3. Step 3: Cross multiply
    145,099.67x = 200,180.32 × 83,805.35
  4. Step 4: Simplify right side
    145,099.67x = 16,776,180,570.30
  5. Step 5: Solve for x
    x = 16,776,180,570.30/145,099.67
  6. Step 6: Final answer
    x = 115,618.33

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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.