Home / 112,922.70-169,384.05-70,932.30

Finding the Fourth Proportional to 112,922.70, 169,384.05 and 70,932.30

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Solution

The fourth proportional to 112,922.70, 169,384.05 and 70,932.30 is: 106,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.70 : 169,384.05 = 70,932.30 : x
  2. Step 2: Convert to fraction form
    112,922.70/169,384.05 = 70,932.30/x
  3. Step 3: Cross multiply
    112,922.70x = 169,384.05 × 70,932.30
  4. Step 4: Simplify right side
    112,922.70x = 12,014,800,249.82
  5. Step 5: Solve for x
    x = 12,014,800,249.82/112,922.70
  6. Step 6: Final answer
    x = 106,398.45

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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.