Home / 120,875.07-166,806.37-67,158.91

Finding the Fourth Proportional to 120,875.07, 166,806.37 and 67,158.91

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Solution

The fourth proportional to 120,875.07, 166,806.37 and 67,158.91 is: 92,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,875.07 : 166,806.37 = 67,158.91 : x
  2. Step 2: Convert to fraction form
    120,875.07/166,806.37 = 67,158.91/x
  3. Step 3: Cross multiply
    120,875.07x = 166,806.37 × 67,158.91
  4. Step 4: Simplify right side
    120,875.07x = 11,202,533,990.26
  5. Step 5: Solve for x
    x = 11,202,533,990.26/120,875.07
  6. Step 6: Final answer
    x = 92,678.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.