Home / 132,629.77-183,029.10-72,200.87

Finding the Fourth Proportional to 132,629.77, 183,029.10 and 72,200.87

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Solution

The fourth proportional to 132,629.77, 183,029.10 and 72,200.87 is: 99,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.77 : 183,029.10 = 72,200.87 : x
  2. Step 2: Convert to fraction form
    132,629.77/183,029.10 = 72,200.87/x
  3. Step 3: Cross multiply
    132,629.77x = 183,029.10 × 72,200.87
  4. Step 4: Simplify right side
    132,629.77x = 13,214,860,161.91
  5. Step 5: Solve for x
    x = 13,214,860,161.91/132,629.77
  6. Step 6: Final answer
    x = 99,637.21

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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.