Home / 252,619.81-348,615.28-139,442.53

Finding the Fourth Proportional to 252,619.81, 348,615.28 and 139,442.53

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Solution

The fourth proportional to 252,619.81, 348,615.28 and 139,442.53 is: 192,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,619.81 : 348,615.28 = 139,442.53 : x
  2. Step 2: Convert to fraction form
    252,619.81/348,615.28 = 139,442.53/x
  3. Step 3: Cross multiply
    252,619.81x = 348,615.28 × 139,442.53
  4. Step 4: Simplify right side
    252,619.81x = 48,611,796,639.86
  5. Step 5: Solve for x
    x = 48,611,796,639.86/252,619.81
  6. Step 6: Final answer
    x = 192,430.66

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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.