Home / 122,661.04-183,991.56-38,421.92

Finding the Fourth Proportional to 122,661.04, 183,991.56 and 38,421.92

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Solution

The fourth proportional to 122,661.04, 183,991.56 and 38,421.92 is: 57,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,661.04 : 183,991.56 = 38,421.92 : x
  2. Step 2: Convert to fraction form
    122,661.04/183,991.56 = 38,421.92/x
  3. Step 3: Cross multiply
    122,661.04x = 183,991.56 × 38,421.92
  4. Step 4: Simplify right side
    122,661.04x = 7,069,308,999.00
  5. Step 5: Solve for x
    x = 7,069,308,999.00/122,661.04
  6. Step 6: Final answer
    x = 57,632.88

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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.