Home / 155,785.00-214,998.47-92,143.30

Finding the Fourth Proportional to 155,785.00, 214,998.47 and 92,143.30

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Solution

The fourth proportional to 155,785.00, 214,998.47 and 92,143.30 is: 127,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,785.00 : 214,998.47 = 92,143.30 : x
  2. Step 2: Convert to fraction form
    155,785.00/214,998.47 = 92,143.30/x
  3. Step 3: Cross multiply
    155,785.00x = 214,998.47 × 92,143.30
  4. Step 4: Simplify right side
    155,785.00x = 19,810,666,985.04
  5. Step 5: Solve for x
    x = 19,810,666,985.04/155,785.00
  6. Step 6: Final answer
    x = 127,166.72

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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.