Home / 107,079.36-160,639.20-44,756.16

Finding the Fourth Proportional to 107,079.36, 160,639.20 and 44,756.16

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Solution

The fourth proportional to 107,079.36, 160,639.20 and 44,756.16 is: 67,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.36 : 160,639.20 = 44,756.16 : x
  2. Step 2: Convert to fraction form
    107,079.36/160,639.20 = 44,756.16/x
  3. Step 3: Cross multiply
    107,079.36x = 160,639.20 × 44,756.16
  4. Step 4: Simplify right side
    107,079.36x = 7,189,593,737.47
  5. Step 5: Solve for x
    x = 7,189,593,737.47/107,079.36
  6. Step 6: Final answer
    x = 67,142.67

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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.