Home / 130,438.27-179,999.67-73,849.64

Finding the Fourth Proportional to 130,438.27, 179,999.67 and 73,849.64

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Solution

The fourth proportional to 130,438.27, 179,999.67 and 73,849.64 is: 101,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,438.27 : 179,999.67 = 73,849.64 : x
  2. Step 2: Convert to fraction form
    130,438.27/179,999.67 = 73,849.64/x
  3. Step 3: Cross multiply
    130,438.27x = 179,999.67 × 73,849.64
  4. Step 4: Simplify right side
    130,438.27x = 13,292,910,829.62
  5. Step 5: Solve for x
    x = 13,292,910,829.62/130,438.27
  6. Step 6: Final answer
    x = 101,909.60

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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.