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Finding the Fourth Proportional to 145,686.44, 201,035.04 and 89,086.88

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Solution

The fourth proportional to 145,686.44, 201,035.04 and 89,086.88 is: 122,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,686.44 : 201,035.04 = 89,086.88 : x
  2. Step 2: Convert to fraction form
    145,686.44/201,035.04 = 89,086.88/x
  3. Step 3: Cross multiply
    145,686.44x = 201,035.04 × 89,086.88
  4. Step 4: Simplify right side
    145,686.44x = 17,909,584,484.28
  5. Step 5: Solve for x
    x = 17,909,584,484.28/145,686.44
  6. Step 6: Final answer
    x = 122,932.41

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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.