Home / 132,752.45-183,114.69-78,997.34

Finding the Fourth Proportional to 132,752.45, 183,114.69 and 78,997.34

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Solution

The fourth proportional to 132,752.45, 183,114.69 and 78,997.34 is: 108,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,752.45 : 183,114.69 = 78,997.34 : x
  2. Step 2: Convert to fraction form
    132,752.45/183,114.69 = 78,997.34/x
  3. Step 3: Cross multiply
    132,752.45x = 183,114.69 × 78,997.34
  4. Step 4: Simplify right side
    132,752.45x = 14,465,573,424.92
  5. Step 5: Solve for x
    x = 14,465,573,424.92/132,752.45
  6. Step 6: Final answer
    x = 108,966.53

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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.