Home / 112,000.20-168,000.30-49,670.70

Finding the Fourth Proportional to 112,000.20, 168,000.30 and 49,670.70

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Solution

The fourth proportional to 112,000.20, 168,000.30 and 49,670.70 is: 74,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.20 : 168,000.30 = 49,670.70 : x
  2. Step 2: Convert to fraction form
    112,000.20/168,000.30 = 49,670.70/x
  3. Step 3: Cross multiply
    112,000.20x = 168,000.30 × 49,670.70
  4. Step 4: Simplify right side
    112,000.20x = 8,344,692,501.21
  5. Step 5: Solve for x
    x = 8,344,692,501.21/112,000.20
  6. Step 6: Final answer
    x = 74,506.05

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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.