Home / 456,126.96-684,287.04-136,303.73

Finding the Fourth Proportional to 456,126.96, 684,287.04 and 136,303.73

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Solution

The fourth proportional to 456,126.96, 684,287.04 and 136,303.73 is: 204,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,126.96 : 684,287.04 = 136,303.73 : x
  2. Step 2: Convert to fraction form
    456,126.96/684,287.04 = 136,303.73/x
  3. Step 3: Cross multiply
    456,126.96x = 684,287.04 × 136,303.73
  4. Step 4: Simplify right side
    456,126.96x = 93,270,874,831.73
  5. Step 5: Solve for x
    x = 93,270,874,831.73/456,126.96
  6. Step 6: Final answer
    x = 204,484.46

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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.