Home / 124,384.96-171,677.76-81,947.20

Finding the Fourth Proportional to 124,384.96, 171,677.76 and 81,947.20

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Solution

The fourth proportional to 124,384.96, 171,677.76 and 81,947.20 is: 113,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,384.96 : 171,677.76 = 81,947.20 : x
  2. Step 2: Convert to fraction form
    124,384.96/171,677.76 = 81,947.20/x
  3. Step 3: Cross multiply
    124,384.96x = 171,677.76 × 81,947.20
  4. Step 4: Simplify right side
    124,384.96x = 14,068,511,734.27
  5. Step 5: Solve for x
    x = 14,068,511,734.27/124,384.96
  6. Step 6: Final answer
    x = 113,104.60

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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.