Home / 259,683.45-389,290.07-101,869.53

Finding the Fourth Proportional to 259,683.45, 389,290.07 and 101,869.53

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Solution

The fourth proportional to 259,683.45, 389,290.07 and 101,869.53 is: 152,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,683.45 : 389,290.07 = 101,869.53 : x
  2. Step 2: Convert to fraction form
    259,683.45/389,290.07 = 101,869.53/x
  3. Step 3: Cross multiply
    259,683.45x = 389,290.07 × 101,869.53
  4. Step 4: Simplify right side
    259,683.45x = 39,656,795,955.22
  5. Step 5: Solve for x
    x = 39,656,795,955.22/259,683.45
  6. Step 6: Final answer
    x = 152,712.07

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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.