Home / 102,230.40-141,082.08-56,910.24

Finding the Fourth Proportional to 102,230.40, 141,082.08 and 56,910.24

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Solution

The fourth proportional to 102,230.40, 141,082.08 and 56,910.24 is: 78,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,230.40 : 141,082.08 = 56,910.24 : x
  2. Step 2: Convert to fraction form
    102,230.40/141,082.08 = 56,910.24/x
  3. Step 3: Cross multiply
    102,230.40x = 141,082.08 × 56,910.24
  4. Step 4: Simplify right side
    102,230.40x = 8,029,015,032.50
  5. Step 5: Solve for x
    x = 8,029,015,032.50/102,230.40
  6. Step 6: Final answer
    x = 78,538.43

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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.