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Finding the Fourth Proportional to 134,635.60, 201,953.40 and 45,989.20

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Solution

The fourth proportional to 134,635.60, 201,953.40 and 45,989.20 is: 68,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,635.60 : 201,953.40 = 45,989.20 : x
  2. Step 2: Convert to fraction form
    134,635.60/201,953.40 = 45,989.20/x
  3. Step 3: Cross multiply
    134,635.60x = 201,953.40 × 45,989.20
  4. Step 4: Simplify right side
    134,635.60x = 9,287,675,303.28
  5. Step 5: Solve for x
    x = 9,287,675,303.28/134,635.60
  6. Step 6: Final answer
    x = 68,983.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.