Home / 132,720.24-183,152.37-72,290.69

Finding the Fourth Proportional to 132,720.24, 183,152.37 and 72,290.69

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Solution

The fourth proportional to 132,720.24, 183,152.37 and 72,290.69 is: 99,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,720.24 : 183,152.37 = 72,290.69 : x
  2. Step 2: Convert to fraction form
    132,720.24/183,152.37 = 72,290.69/x
  3. Step 3: Cross multiply
    132,720.24x = 183,152.37 × 72,290.69
  4. Step 4: Simplify right side
    132,720.24x = 13,240,211,202.44
  5. Step 5: Solve for x
    x = 13,240,211,202.44/132,720.24
  6. Step 6: Final answer
    x = 99,760.30

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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.