Home / 146,580.13-202,285.55-86,149.90

Finding the Fourth Proportional to 146,580.13, 202,285.55 and 86,149.90

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Solution

The fourth proportional to 146,580.13, 202,285.55 and 86,149.90 is: 118,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.13 : 202,285.55 = 86,149.90 : x
  2. Step 2: Convert to fraction form
    146,580.13/202,285.55 = 86,149.90/x
  3. Step 3: Cross multiply
    146,580.13x = 202,285.55 × 86,149.90
  4. Step 4: Simplify right side
    146,580.13x = 17,426,879,903.95
  5. Step 5: Solve for x
    x = 17,426,879,903.95/146,580.13
  6. Step 6: Final answer
    x = 118,889.78

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1.5x scale

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.