Home / 245,327.40-367,991.10-105,100.20

Finding the Fourth Proportional to 245,327.40, 367,991.10 and 105,100.20

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Solution

The fourth proportional to 245,327.40, 367,991.10 and 105,100.20 is: 157,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,327.40 : 367,991.10 = 105,100.20 : x
  2. Step 2: Convert to fraction form
    245,327.40/367,991.10 = 105,100.20/x
  3. Step 3: Cross multiply
    245,327.40x = 367,991.10 × 105,100.20
  4. Step 4: Simplify right side
    245,327.40x = 38,675,938,208.22
  5. Step 5: Solve for x
    x = 38,675,938,208.22/245,327.40
  6. Step 6: Final answer
    x = 157,650.30

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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.