Home / 198,462.89-297,682.26-70,385.51

Finding the Fourth Proportional to 198,462.89, 297,682.26 and 70,385.51

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Solution

The fourth proportional to 198,462.89, 297,682.26 and 70,385.51 is: 105,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,462.89 : 297,682.26 = 70,385.51 : x
  2. Step 2: Convert to fraction form
    198,462.89/297,682.26 = 70,385.51/x
  3. Step 3: Cross multiply
    198,462.89x = 297,682.26 × 70,385.51
  4. Step 4: Simplify right side
    198,462.89x = 20,952,516,199.64
  5. Step 5: Solve for x
    x = 20,952,516,199.64/198,462.89
  6. Step 6: Final answer
    x = 105,573.98

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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.