Home / 99,831.42-149,673.24-47,179.44

Finding the Fourth Proportional to 99,831.42, 149,673.24 and 47,179.44

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Solution

The fourth proportional to 99,831.42, 149,673.24 and 47,179.44 is: 70,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,831.42 : 149,673.24 = 47,179.44 : x
  2. Step 2: Convert to fraction form
    99,831.42/149,673.24 = 47,179.44/x
  3. Step 3: Cross multiply
    99,831.42x = 149,673.24 × 47,179.44
  4. Step 4: Simplify right side
    99,831.42x = 7,061,499,646.19
  5. Step 5: Solve for x
    x = 7,061,499,646.19/99,831.42
  6. Step 6: Final answer
    x = 70,734.24

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1.5x scale

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.