Home / 127,832.02-191,756.94-39,078.70

Finding the Fourth Proportional to 127,832.02, 191,756.94 and 39,078.70

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Solution

The fourth proportional to 127,832.02, 191,756.94 and 39,078.70 is: 58,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,832.02 : 191,756.94 = 39,078.70 : x
  2. Step 2: Convert to fraction form
    127,832.02/191,756.94 = 39,078.70/x
  3. Step 3: Cross multiply
    127,832.02x = 191,756.94 × 39,078.70
  4. Step 4: Simplify right side
    127,832.02x = 7,493,611,931.18
  5. Step 5: Solve for x
    x = 7,493,611,931.18/127,832.02
  6. Step 6: Final answer
    x = 58,620.77

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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.