Home / 99,831.04-149,768.04-28,753.18

Finding the Fourth Proportional to 99,831.04, 149,768.04 and 28,753.18

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Solution

The fourth proportional to 99,831.04, 149,768.04 and 28,753.18 is: 43,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,831.04 : 149,768.04 = 28,753.18 : x
  2. Step 2: Convert to fraction form
    99,831.04/149,768.04 = 28,753.18/x
  3. Step 3: Cross multiply
    99,831.04x = 149,768.04 × 28,753.18
  4. Step 4: Simplify right side
    99,831.04x = 4,306,307,412.37
  5. Step 5: Solve for x
    x = 4,306,307,412.37/99,831.04
  6. Step 6: Final answer
    x = 43,135.96

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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.