Home / 102,191.73-141,025.53-56,871.63

Finding the Fourth Proportional to 102,191.73, 141,025.53 and 56,871.63

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Solution

The fourth proportional to 102,191.73, 141,025.53 and 56,871.63 is: 78,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.73 : 141,025.53 = 56,871.63 : x
  2. Step 2: Convert to fraction form
    102,191.73/141,025.53 = 56,871.63/x
  3. Step 3: Cross multiply
    102,191.73x = 141,025.53 × 56,871.63
  4. Step 4: Simplify right side
    102,191.73x = 8,020,351,419.40
  5. Step 5: Solve for x
    x = 8,020,351,419.40/102,191.73
  6. Step 6: Final answer
    x = 78,483.37

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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.