Home / 249,645.24-374,523.24-72,138.80

Finding the Fourth Proportional to 249,645.24, 374,523.24 and 72,138.80

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Solution

The fourth proportional to 249,645.24, 374,523.24 and 72,138.80 is: 108,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,645.24 : 374,523.24 = 72,138.80 : x
  2. Step 2: Convert to fraction form
    249,645.24/374,523.24 = 72,138.80/x
  3. Step 3: Cross multiply
    249,645.24x = 374,523.24 × 72,138.80
  4. Step 4: Simplify right side
    249,645.24x = 27,017,658,312.54
  5. Step 5: Solve for x
    x = 27,017,658,312.54/249,645.24
  6. Step 6: Final answer
    x = 108,224.21

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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.