Home / 111,639.36-167,477.52-51,727.71

Finding the Fourth Proportional to 111,639.36, 167,477.52 and 51,727.71

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Solution

The fourth proportional to 111,639.36, 167,477.52 and 51,727.71 is: 77,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639.36 : 167,477.52 = 51,727.71 : x
  2. Step 2: Convert to fraction form
    111,639.36/167,477.52 = 51,727.71/x
  3. Step 3: Cross multiply
    111,639.36x = 167,477.52 × 51,727.71
  4. Step 4: Simplify right side
    111,639.36x = 8,663,229,408.10
  5. Step 5: Solve for x
    x = 8,663,229,408.10/111,639.36
  6. Step 6: Final answer
    x = 77,600.13

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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.