Home / 120,824.77-181,312.00-70,247.60

Finding the Fourth Proportional to 120,824.77, 181,312.00 and 70,247.60

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Solution

The fourth proportional to 120,824.77, 181,312.00 and 70,247.60 is: 105,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,824.77 : 181,312.00 = 70,247.60 : x
  2. Step 2: Convert to fraction form
    120,824.77/181,312.00 = 70,247.60/x
  3. Step 3: Cross multiply
    120,824.77x = 181,312.00 × 70,247.60
  4. Step 4: Simplify right side
    120,824.77x = 12,736,732,499.96
  5. Step 5: Solve for x
    x = 12,736,732,499.96/120,824.77
  6. Step 6: Final answer
    x = 105,414.91

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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.