Home / 102,823.28-141,895.14-57,500.75

Finding the Fourth Proportional to 102,823.28, 141,895.14 and 57,500.75

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Solution

The fourth proportional to 102,823.28, 141,895.14 and 57,500.75 is: 79,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.28 : 141,895.14 = 57,500.75 : x
  2. Step 2: Convert to fraction form
    102,823.28/141,895.14 = 57,500.75/x
  3. Step 3: Cross multiply
    102,823.28x = 141,895.14 × 57,500.75
  4. Step 4: Simplify right side
    102,823.28x = 8,159,076,261.88
  5. Step 5: Solve for x
    x = 8,159,076,261.88/102,823.28
  6. Step 6: Final answer
    x = 79,350.48

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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.