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Finding the Fourth Proportional to 137,000.88, 205,500.36 and 70,459.56

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Solution

The fourth proportional to 137,000.88, 205,500.36 and 70,459.56 is: 105,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,000.88 : 205,500.36 = 70,459.56 : x
  2. Step 2: Convert to fraction form
    137,000.88/205,500.36 = 70,459.56/x
  3. Step 3: Cross multiply
    137,000.88x = 205,500.36 × 70,459.56
  4. Step 4: Simplify right side
    137,000.88x = 14,479,464,945.44
  5. Step 5: Solve for x
    x = 14,479,464,945.44/137,000.88
  6. Step 6: Final answer
    x = 105,688.85

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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.