Home / 245,439.90-367,503.75-140,113.98

Finding the Fourth Proportional to 245,439.90, 367,503.75 and 140,113.98

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Solution

The fourth proportional to 245,439.90, 367,503.75 and 140,113.98 is: 209,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,439.90 : 367,503.75 = 140,113.98 : x
  2. Step 2: Convert to fraction form
    245,439.90/367,503.75 = 140,113.98/x
  3. Step 3: Cross multiply
    245,439.90x = 367,503.75 × 140,113.98
  4. Step 4: Simplify right side
    245,439.90x = 51,492,413,077.43
  5. Step 5: Solve for x
    x = 51,492,413,077.43/245,439.90
  6. Step 6: Final answer
    x = 209,796.42

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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.