Home / 112,490.20-168,737.30-33,605.40

Finding the Fourth Proportional to 112,490.20, 168,737.30 and 33,605.40

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Solution

The fourth proportional to 112,490.20, 168,737.30 and 33,605.40 is: 50,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490.20 : 168,737.30 = 33,605.40 : x
  2. Step 2: Convert to fraction form
    112,490.20/168,737.30 = 33,605.40/x
  3. Step 3: Cross multiply
    112,490.20x = 168,737.30 × 33,605.40
  4. Step 4: Simplify right side
    112,490.20x = 5,670,484,461.42
  5. Step 5: Solve for x
    x = 5,670,484,461.42/112,490.20
  6. Step 6: Final answer
    x = 50,408.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.