Home / 155,173.37-232,862.12-85,101.89

Finding the Fourth Proportional to 155,173.37, 232,862.12 and 85,101.89

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Solution

The fourth proportional to 155,173.37, 232,862.12 and 85,101.89 is: 127,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,173.37 : 232,862.12 = 85,101.89 : x
  2. Step 2: Convert to fraction form
    155,173.37/232,862.12 = 85,101.89/x
  3. Step 3: Cross multiply
    155,173.37x = 232,862.12 × 85,101.89
  4. Step 4: Simplify right side
    155,173.37x = 19,817,006,095.90
  5. Step 5: Solve for x
    x = 19,817,006,095.90/155,173.37
  6. Step 6: Final answer
    x = 127,708.81

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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.