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Finding the Fourth Proportional to 145,171.44, 200,358.60 and 88,615.68

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Solution

The fourth proportional to 145,171.44, 200,358.60 and 88,615.68 is: 122,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,171.44 : 200,358.60 = 88,615.68 : x
  2. Step 2: Convert to fraction form
    145,171.44/200,358.60 = 88,615.68/x
  3. Step 3: Cross multiply
    145,171.44x = 200,358.60 × 88,615.68
  4. Step 4: Simplify right side
    145,171.44x = 17,754,913,582.85
  5. Step 5: Solve for x
    x = 17,754,913,582.85/145,171.44
  6. Step 6: Final answer
    x = 122,303.08

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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.