Home / 102,228.05-141,078.84-56,903.15

Finding the Fourth Proportional to 102,228.05, 141,078.84 and 56,903.15

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Solution

The fourth proportional to 102,228.05, 141,078.84 and 56,903.15 is: 78,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,228.05 : 141,078.84 = 56,903.15 : x
  2. Step 2: Convert to fraction form
    102,228.05/141,078.84 = 56,903.15/x
  3. Step 3: Cross multiply
    102,228.05x = 141,078.84 × 56,903.15
  4. Step 4: Simplify right side
    102,228.05x = 8,027,830,394.35
  5. Step 5: Solve for x
    x = 8,027,830,394.35/102,228.05
  6. Step 6: Final answer
    x = 78,528.65

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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.