Home / 249,615.53-374,486.17-72,121.38

Finding the Fourth Proportional to 249,615.53, 374,486.17 and 72,121.38

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Solution

The fourth proportional to 249,615.53, 374,486.17 and 72,121.38 is: 108,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,615.53 : 374,486.17 = 72,121.38 : x
  2. Step 2: Convert to fraction form
    249,615.53/374,486.17 = 72,121.38/x
  3. Step 3: Cross multiply
    249,615.53x = 374,486.17 × 72,121.38
  4. Step 4: Simplify right side
    249,615.53x = 27,008,459,371.31
  5. Step 5: Solve for x
    x = 27,008,459,371.31/249,615.53
  6. Step 6: Final answer
    x = 108,200.24

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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.