Home / 155,146.22-232,285.75-83,813.30

Finding the Fourth Proportional to 155,146.22, 232,285.75 and 83,813.30

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Solution

The fourth proportional to 155,146.22, 232,285.75 and 83,813.30 is: 125,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,146.22 : 232,285.75 = 83,813.30 : x
  2. Step 2: Convert to fraction form
    155,146.22/232,285.75 = 83,813.30/x
  3. Step 3: Cross multiply
    155,146.22x = 232,285.75 × 83,813.30
  4. Step 4: Simplify right side
    155,146.22x = 19,468,635,013.14
  5. Step 5: Solve for x
    x = 19,468,635,013.14/155,146.22
  6. Step 6: Final answer
    x = 125,485.72

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1.5x scale

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.