Home / 90,107.20-124,341.39-49,821.46

Finding the Fourth Proportional to 90,107.20, 124,341.39 and 49,821.46

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Solution

The fourth proportional to 90,107.20, 124,341.39 and 49,821.46 is: 68,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,107.20 : 124,341.39 = 49,821.46 : x
  2. Step 2: Convert to fraction form
    90,107.20/124,341.39 = 49,821.46/x
  3. Step 3: Cross multiply
    90,107.20x = 124,341.39 × 49,821.46
  4. Step 4: Simplify right side
    90,107.20x = 6,194,869,588.23
  5. Step 5: Solve for x
    x = 6,194,869,588.23/90,107.20
  6. Step 6: Final answer
    x = 68,750.00

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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.