Home / 111,379.36-167,070.12-89,163.76

Finding the Fourth Proportional to 111,379.36, 167,070.12 and 89,163.76

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Solution

The fourth proportional to 111,379.36, 167,070.12 and 89,163.76 is: 133,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379.36 : 167,070.12 = 89,163.76 : x
  2. Step 2: Convert to fraction form
    111,379.36/167,070.12 = 89,163.76/x
  3. Step 3: Cross multiply
    111,379.36x = 167,070.12 × 89,163.76
  4. Step 4: Simplify right side
    111,379.36x = 14,896,600,082.85
  5. Step 5: Solve for x
    x = 14,896,600,082.85/111,379.36
  6. Step 6: Final answer
    x = 133,746.50

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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.