Home / 145,531.43-200,759.88-85,062.57

Finding the Fourth Proportional to 145,531.43, 200,759.88 and 85,062.57

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Solution

The fourth proportional to 145,531.43, 200,759.88 and 85,062.57 is: 117,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,531.43 : 200,759.88 = 85,062.57 : x
  2. Step 2: Convert to fraction form
    145,531.43/200,759.88 = 85,062.57/x
  3. Step 3: Cross multiply
    145,531.43x = 200,759.88 × 85,062.57
  4. Step 4: Simplify right side
    145,531.43x = 17,077,150,911.83
  5. Step 5: Solve for x
    x = 17,077,150,911.83/145,531.43
  6. Step 6: Final answer
    x = 117,343.39

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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.