Home / 145,608.90-200,885.52-85,160.22

Finding the Fourth Proportional to 145,608.90, 200,885.52 and 85,160.22

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Solution

The fourth proportional to 145,608.90, 200,885.52 and 85,160.22 is: 117,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.90 : 200,885.52 = 85,160.22 : x
  2. Step 2: Convert to fraction form
    145,608.90/200,885.52 = 85,160.22/x
  3. Step 3: Cross multiply
    145,608.90x = 200,885.52 × 85,160.22
  4. Step 4: Simplify right side
    145,608.90x = 17,107,455,078.01
  5. Step 5: Solve for x
    x = 17,107,455,078.01/145,608.90
  6. Step 6: Final answer
    x = 117,489.08

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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.