Home / 145,608.40-200,908.60-85,167.24

Finding the Fourth Proportional to 145,608.40, 200,908.60 and 85,167.24

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Solution

The fourth proportional to 145,608.40, 200,908.60 and 85,167.24 is: 117,512.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.40 : 200,908.60 = 85,167.24 : x
  2. Step 2: Convert to fraction form
    145,608.40/200,908.60 = 85,167.24/x
  3. Step 3: Cross multiply
    145,608.40x = 200,908.60 × 85,167.24
  4. Step 4: Simplify right side
    145,608.40x = 17,110,830,954.26
  5. Step 5: Solve for x
    x = 17,110,830,954.26/145,608.40
  6. Step 6: Final answer
    x = 117,512.66

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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.