Home / 122,170.80-183,457.73-82,445.00

Finding the Fourth Proportional to 122,170.80, 183,457.73 and 82,445.00

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Solution

The fourth proportional to 122,170.80, 183,457.73 and 82,445.00 is: 123,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,170.80 : 183,457.73 = 82,445.00 : x
  2. Step 2: Convert to fraction form
    122,170.80/183,457.73 = 82,445.00/x
  3. Step 3: Cross multiply
    122,170.80x = 183,457.73 × 82,445.00
  4. Step 4: Simplify right side
    122,170.80x = 15,125,171,220.34
  5. Step 5: Solve for x
    x = 15,125,171,220.34/122,170.80
  6. Step 6: Final answer
    x = 123,803.49

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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.