Home / 132,769.20-183,219.19-72,340.34

Finding the Fourth Proportional to 132,769.20, 183,219.19 and 72,340.34

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Solution

The fourth proportional to 132,769.20, 183,219.19 and 72,340.34 is: 99,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,769.20 : 183,219.19 = 72,340.34 : x
  2. Step 2: Convert to fraction form
    132,769.20/183,219.19 = 72,340.34/x
  3. Step 3: Cross multiply
    132,769.20x = 183,219.19 × 72,340.34
  4. Step 4: Simplify right side
    132,769.20x = 13,254,138,636.24
  5. Step 5: Solve for x
    x = 13,254,138,636.24/132,769.20
  6. Step 6: Final answer
    x = 99,828.41

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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.