Home / 124,928.60-172,399.30-76,523.00

Finding the Fourth Proportional to 124,928.60, 172,399.30 and 76,523.00

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Solution

The fourth proportional to 124,928.60, 172,399.30 and 76,523.00 is: 105,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.60 : 172,399.30 = 76,523.00 : x
  2. Step 2: Convert to fraction form
    124,928.60/172,399.30 = 76,523.00/x
  3. Step 3: Cross multiply
    124,928.60x = 172,399.30 × 76,523.00
  4. Step 4: Simplify right side
    124,928.60x = 13,192,510,580.60
  5. Step 5: Solve for x
    x = 13,192,510,580.60/124,928.60
  6. Step 6: Final answer
    x = 105,600.41

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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.