Home / 96,638.68-144,971.69-30,085.53

Finding the Fourth Proportional to 96,638.68, 144,971.69 and 30,085.53

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Solution

The fourth proportional to 96,638.68, 144,971.69 and 30,085.53 is: 45,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,638.68 : 144,971.69 = 30,085.53 : x
  2. Step 2: Convert to fraction form
    96,638.68/144,971.69 = 30,085.53/x
  3. Step 3: Cross multiply
    96,638.68x = 144,971.69 × 30,085.53
  4. Step 4: Simplify right side
    96,638.68x = 4,361,550,128.65
  5. Step 5: Solve for x
    x = 4,361,550,128.65/96,638.68
  6. Step 6: Final answer
    x = 45,132.55

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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.