Home / 124,000.72-185,999.48-30,507.28

Finding the Fourth Proportional to 124,000.72, 185,999.48 and 30,507.28

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Solution

The fourth proportional to 124,000.72, 185,999.48 and 30,507.28 is: 45,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,000.72 : 185,999.48 = 30,507.28 : x
  2. Step 2: Convert to fraction form
    124,000.72/185,999.48 = 30,507.28/x
  3. Step 3: Cross multiply
    124,000.72x = 185,999.48 × 30,507.28
  4. Step 4: Simplify right side
    124,000.72x = 5,674,338,216.21
  5. Step 5: Solve for x
    x = 5,674,338,216.21/124,000.72
  6. Step 6: Final answer
    x = 45,760.53

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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.