Home / 102,784.44-141,821.10-65,044.92

Finding the Fourth Proportional to 102,784.44, 141,821.10 and 65,044.92

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Solution

The fourth proportional to 102,784.44, 141,821.10 and 65,044.92 is: 89,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,784.44 : 141,821.10 = 65,044.92 : x
  2. Step 2: Convert to fraction form
    102,784.44/141,821.10 = 65,044.92/x
  3. Step 3: Cross multiply
    102,784.44x = 141,821.10 × 65,044.92
  4. Step 4: Simplify right side
    102,784.44x = 9,224,742,103.81
  5. Step 5: Solve for x
    x = 9,224,742,103.81/102,784.44
  6. Step 6: Final answer
    x = 89,748.43

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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.