Home / 132,819.04-183,284.92-72,388.38

Finding the Fourth Proportional to 132,819.04, 183,284.92 and 72,388.38

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Solution

The fourth proportional to 132,819.04, 183,284.92 and 72,388.38 is: 99,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,819.04 : 183,284.92 = 72,388.38 : x
  2. Step 2: Convert to fraction form
    132,819.04/183,284.92 = 72,388.38/x
  3. Step 3: Cross multiply
    132,819.04x = 183,284.92 × 72,388.38
  4. Step 4: Simplify right side
    132,819.04x = 13,267,698,437.23
  5. Step 5: Solve for x
    x = 13,267,698,437.23/132,819.04
  6. Step 6: Final answer
    x = 99,893.05

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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.