Home / 252,618.81-348,613.91-139,441.53

Finding the Fourth Proportional to 252,618.81, 348,613.91 and 139,441.53

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Solution

The fourth proportional to 252,618.81, 348,613.91 and 139,441.53 is: 192,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.81 : 348,613.91 = 139,441.53 : x
  2. Step 2: Convert to fraction form
    252,618.81/348,613.91 = 139,441.53/x
  3. Step 3: Cross multiply
    252,618.81x = 348,613.91 × 139,441.53
  4. Step 4: Simplify right side
    252,618.81x = 48,611,256,292.47
  5. Step 5: Solve for x
    x = 48,611,256,292.47/252,618.81
  6. Step 6: Final answer
    x = 192,429.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.