Home / 134,858.20-202,287.30-72,650.20

Finding the Fourth Proportional to 134,858.20, 202,287.30 and 72,650.20

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Solution

The fourth proportional to 134,858.20, 202,287.30 and 72,650.20 is: 108,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.20 : 202,287.30 = 72,650.20 : x
  2. Step 2: Convert to fraction form
    134,858.20/202,287.30 = 72,650.20/x
  3. Step 3: Cross multiply
    134,858.20x = 202,287.30 × 72,650.20
  4. Step 4: Simplify right side
    134,858.20x = 14,696,212,802.46
  5. Step 5: Solve for x
    x = 14,696,212,802.46/134,858.20
  6. Step 6: Final answer
    x = 108,975.30

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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.