Home / 145,480.06-200,732.39-85,039.01

Finding the Fourth Proportional to 145,480.06, 200,732.39 and 85,039.01

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Solution

The fourth proportional to 145,480.06, 200,732.39 and 85,039.01 is: 117,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,480.06 : 200,732.39 = 85,039.01 : x
  2. Step 2: Convert to fraction form
    145,480.06/200,732.39 = 85,039.01/x
  3. Step 3: Cross multiply
    145,480.06x = 200,732.39 × 85,039.01
  4. Step 4: Simplify right side
    145,480.06x = 17,070,084,612.03
  5. Step 5: Solve for x
    x = 17,070,084,612.03/145,480.06
  6. Step 6: Final answer
    x = 117,336.25

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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.