Home / 155,146.83-232,687.57-70,883.07

Finding the Fourth Proportional to 155,146.83, 232,687.57 and 70,883.07

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Solution

The fourth proportional to 155,146.83, 232,687.57 and 70,883.07 is: 106,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,146.83 : 232,687.57 = 70,883.07 : x
  2. Step 2: Convert to fraction form
    155,146.83/232,687.57 = 70,883.07/x
  3. Step 3: Cross multiply
    155,146.83x = 232,687.57 × 70,883.07
  4. Step 4: Simplify right side
    155,146.83x = 16,493,609,312.44
  5. Step 5: Solve for x
    x = 16,493,609,312.44/155,146.83
  6. Step 6: Final answer
    x = 106,309.68

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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.