Home / 448,669.80-672,773.85-133,085.70

Finding the Fourth Proportional to 448,669.80, 672,773.85 and 133,085.70

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Solution

The fourth proportional to 448,669.80, 672,773.85 and 133,085.70 is: 199,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,669.80 : 672,773.85 = 133,085.70 : x
  2. Step 2: Convert to fraction form
    448,669.80/672,773.85 = 133,085.70/x
  3. Step 3: Cross multiply
    448,669.80x = 672,773.85 × 133,085.70
  4. Step 4: Simplify right side
    448,669.80x = 89,536,578,768.95
  5. Step 5: Solve for x
    x = 89,536,578,768.95/448,669.80
  6. Step 6: Final answer
    x = 199,560.07

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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.